Question

necessary necessary ★★★★☆/ne̱sɪsəri/1[ADJ-GRADED	能被表示程度的副词或介词词组修饰的形容词]必要的；必需的 Something that is necessary is needed in order for something else to happen.   [oft it v-link ADJ to-inf]I kept the engine running because it might be necessary to leave fast...我没让发动机熄火，因为也许需要迅速离开。We will do whatever is necessary to stop them...我们要采取一切必要措施去阻止他们。Is that really necessary?...那真有必要吗？Make the necessary arrangements.做一下必要的安排。2[ADJ	形容词](结果或联系)必然的，势必的 A necessary consequence or connection must happen or exist, because of the nature of the things or events involved.   [ADJ n]Wastage was no doubt a necessary consequence of war...巨大的损耗无疑是战争的必然结果。Scientific work is differentiated from art by its necessary connection with the idea of progress.科学工作与艺术的区别在于它与人类进步有着必然联系。3[N-PLURAL	复数名词]基本生活必需；必需品 Necessaries are things, such as food or clothing, that you need to have in order to live.   [OLD-FASHIONED 过时]...a small parcel of necessaries tied up in a handkerchief and carried on a stick.用手绢包好挑在棍子上的一小包生活必需品4[PHRASE	短语]如果必要的话 If you say that something will happen if necessary ,when necessary, or where necessary, you mean that it will happen if it is necessary, when it is necessary, or where it is necessary.   [PHR with cl]If necessary, the airship can stay up there for days to keep out of danger...必要时，飞艇能在那里停留数天以躲避危险。The army needs men who are willing to fight, when necessary...军队需要在必要时愿意投入战斗的军人。All the rigging had been examined, and renewed where necessary.所有索具都进行了检查，并把该更换的部件全部更换一新。Usage Note :Be careful with the spelling of this word.注意该词的拼写。 necessary1 adjectivenecessary2 nounnecessaryne‧ces‧sa‧ry1 /ˈnesəsəri $ -seri/ ●●● S2 W1 adjective  Word Origin Examples Thesaurus Collocations Phrases Word family 1something that is necessary is what you need to have or need to do → essential:  The booklet provides all the necessary information about the college. No further changes were considered necessary.absolutely/really necessary The police are advising motorists to travel only if their journey is absolutely necessary.it is necessary (for somebody) to do something It’s not necessary to wear a tie. The doctor says it may be necessary for me to have an operation.make it necessary (for somebody) to do something Falling profits made it necessary to restructure the business.necessary for (doing) something A good diet is necessary for maintaining a healthy body.if/when/where necessary I’ll stay up all night, if necessary, to get it finished.RegisterIn everyday English, instead of saying it is necessary for somebody to do something, people usually say that someone has to do something: The doctor says it might be necessary for me to have an operation. ➔ The doctor says I might have to have an operation.2necessary connection/consequence etc a connection, result etc that must exist and cannot be avoided:  The closure of the factory was a necessary consequence of increased competition from abroad.3a necessary evil something bad or unpleasant that you have to accept in order to achieve what you want:  Mr Hurst regarded work as a necessary evil.THESAURUSnecessary used to describe something that you need to have or do: · Make sure you bring the necessary documents with you.· It may be necessary for you to have a small operation.essential very important and necessary, especially in order to be healthy, successful etc: · Vitamins are essential for healthy growth.· The tourist industry is an essential part of the Spanish economy.vital extremely important and necessary, especially in order to avoid serious problems: · A vital piece of equipment on the spacecraft had stopped operating.· It is vital that the aid is sent immediately.compulsory if something is compulsory, you must do it because of a rule or law: · Maths and Science are compulsory subjects.· All new staff undergo a compulsory training course.obligatory if something is obligatory, you must do it because of a rule or law. Obligatory is more formal than compulsory: · The use of seatbelts is obligatory.· Safety regulations have made it obligatory for all competitors to wear fist protectors.mandatory if something is mandatory, you must do it because it is the law. Mandatory is more formal than compulsory and sounds stronger: · School attendance is mandatory.· a prisoner serving a mandatory life sentencerequisite /ˈrekwəzət/ formal [usually before noun] the requisite things are the ones that you need to have in order to do something: · The other candidates lacked the requisite skills.· the requisite evidence needed for a successful prosecutionnecessary1 adjectivenecessary2 nounnecessarynecessary2 noun  Collocations Phrases 1 necessaries [plural] things such as food or basic clothes that you need in order to live2do the necessary British English spoken to do what is necessary:  Leave it to me – I’ll do the necessary.

Accepted Answer

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             ne·ces·sary              ★                    /        ˈnesəsəri                ;          NAmE                ˈnesəseri                /                              adjective                            1      ★              necessary(for sb/sth) (to do sth)                    that is needed for a purpose or a reason          必需的；必要的                            SYN                                            essential                                                  ◆        It may be necessary to buy a new one.        也许有必要买个新的了。                    ◆        It doesn't seem necessary for us to meet.        我们似乎没必要见面。                    ◆        Only use your car when absolutely necessary.        非用不可的时候才用你的汽车。                    ◆                  If necessary,you can contact me at home.                必要的话，你可以打电话到我家找我。                    ◆        I'll make the necessary arrangements.        我会做一些必要的安排。                    2      ★              [only before noun        ]                    that must exist or happen and cannot be avoided          必然的；无法避免的                            SYN                                            inevitable                                                  ◆        This is a necessary consequence of progress.        这是发展的必然后果。                    IDIOM              a ˌnecessary ˈevil                              a thing that is bad or that you do not like but which you must accept for a particular reason              无法避免的坏事；不得已的事                                                  necessary      necessaries                  ne·ces·sary              /        ˈnesəsəri                ;          NAmE                ˈnesəseri                /             www.ankiedu.club

word	necessary
content	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
Collins	necessary ★★★★☆ /ne̱sɪsəri/ 1 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]必要的；必需的 Something that is necessary is needed in order for something else to happen. [oft it v-link ADJ to-inf] I kept the engine running because it might be necessary to leave fast... 我没让发动机熄火，因为也许需要迅速离开。 We will do whatever is necessary to stop them... 我们要采取一切必要措施去阻止他们。 Is that really necessary?... 那真有必要吗？ Make the necessary arrangements. 做一下必要的安排。 2 [ADJ 形容词](结果或联系)必然的，势必的 A necessary consequence or connection must happen or exist, because of the nature of the things or events involved. [ADJ n] Wastage was no doubt a necessary consequence of war... 巨大的损耗无疑是战争的必然结果。 Scientific work is differentiated from art by its necessary connection with the idea of progress. 科学工作与艺术的区别在于它与人类进步有着必然联系。 3 [N-PLURAL 复数名词]基本生活必需；必需品 Necessaries are things, such as food or clothing, that you need to have in order to live. [OLD-FASHIONED 过时] ...a small parcel of necessaries tied up in a handkerchief and carried on a stick. 用手绢包好挑在棍子上的一小包生活必需品 4 [PHRASE 短语]如果必要的话 If you say that something will happen if necessary ,when necessary, or where necessary, you mean that it will happen if it is necessary, when it is necessary, or where it is necessary. [PHR with cl] If necessary, the airship can stay up there for days to keep out of danger... 必要时，飞艇能在那里停留数天以躲避危险。 The army needs men who are willing to fight, when necessary... 军队需要在必要时愿意投入战斗的军人。 All the rigging had been examined, and renewed where necessary. 所有索具都进行了检查，并把该更换的部件全部更换一新。 Usage Note : Be careful with the spelling of this word. 注意该词的拼写。
Oxford	ne·ces·sary ★ / ˈnesəsəri ; NAmE ˈnesəseri / adjective 1 ★ necessary(for sb/sth) (to do sth) that is needed for a purpose or a reason 必需的；必要的 SYN essential ◆ It may be necessary to buy a new one. 也许有必要买个新的了。 ◆ It doesn't seem necessary for us to meet. 我们似乎没必要见面。 ◆ Only use your car when absolutely necessary. 非用不可的时候才用你的汽车。 ◆ If necessary,you can contact me at home. 必要的话，你可以打电话到我家找我。 ◆ I'll make the necessary arrangements. 我会做一些必要的安排。 2 ★ [only before noun ] that must exist or happen and cannot be avoided 必然的；无法避免的 SYN inevitable ◆ This is a necessary consequence of progress. 这是发展的必然后果。 IDIOM a ˌnecessary ˈevil a thing that is bad or that you do not like but which you must accept for a particular reason 无法避免的坏事；不得已的事 necessary necessaries ne·ces·sary / ˈnesəsəri ; NAmE ˈnesəseri /
LDC	necessary1 adjective necessary2 noun necessaryne‧ces‧sa‧ry1 /ˈnesəsəri $ -seri/ ●●● S2 W1 adjective Word Origin Examples Thesaurus Collocations Phrases Word family 1something that is necessary is what you need to have or need to do → essential: The booklet provides all the necessary information about the college. No further changes were considered necessary.absolutely/really necessary The police are advising motorists to travel only if their journey is absolutely necessary.it is necessary (for somebody) to do something It’s not necessary to wear a tie. The doctor says it may be necessary for me to have an operation.make it necessary (for somebody) to do something Falling profits made it necessary to restructure the business.necessary for (doing) something A good diet is necessary for maintaining a healthy body.if/when/where necessary I’ll stay up all night, if necessary, to get it finished.RegisterIn everyday English, instead of saying it is necessary for somebody to do something, people usually say that someone has to do something: The doctor says it might be necessary for me to have an operation. ➔ The doctor says I might have to have an operation.2necessary connection/consequence etc a connection, result etc that must exist and cannot be avoided: The closure of the factory was a necessary consequence of increased competition from abroad.3a necessary evil something bad or unpleasant that you have to accept in order to achieve what you want: Mr Hurst regarded work as a necessary evil.THESAURUSnecessary used to describe something that you need to have or do: · Make sure you bring the necessary documents with you.· It may be necessary for you to have a small operation.essential very important and necessary, especially in order to be healthy, successful etc: · Vitamins are essential for healthy growth.· The tourist industry is an essential part of the Spanish economy.vital extremely important and necessary, especially in order to avoid serious problems: · A vital piece of equipment on the spacecraft had stopped operating.· It is vital that the aid is sent immediately.compulsory if something is compulsory, you must do it because of a rule or law: · Maths and Science are compulsory subjects.· All new staff undergo a compulsory training course.obligatory if something is obligatory, you must do it because of a rule or law. Obligatory is more formal than compulsory: · The use of seatbelts is obligatory.· Safety regulations have made it obligatory for all competitors to wear fist protectors.mandatory if something is mandatory, you must do it because it is the law. Mandatory is more formal than compulsory and sounds stronger: · School attendance is mandatory.· a prisoner serving a mandatory life sentencerequisite /ˈrekwəzət/ formal [usually before noun] the requisite things are the ones that you need to have in order to do something: · The other candidates lacked the requisite skills.· the requisite evidence needed for a successful prosecution necessary1 adjective necessary2 noun necessarynecessary2 noun Collocations Phrases 1 necessaries [plural] things such as food or basic clothes that you need in order to live2do the necessary British English spoken to do what is necessary: Leave it to me – I’ll do the necessary.
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Order Compulsory Make Consequence Happen Necessaries Essential The