Question

necessity n.必要（性）;（迫切）需要;必需品;自然规律; pl:necessities~

Accepted Answer

英[nəˈsesəti]  美[nəˈsɛsɪti] N-UNCOUNT必然;必要The necessity of something is the fact that it must happen or exist.例：There is agreement on the necessity of reforms...对改革的必要性已经达成了共识。例：As soon as the necessity for action is over the troops must be withdrawn...一旦军事行动的必要性不复存在，军队就必须撤出。N-COUNT必需品;必不可少的事物A necessity is something that you must have in order to live properly or do something.例：Water is a basic necessity of life.生命离不开水。例：...food, fuel and other daily necessities.食物、燃料和其他日常必需品N-COUNT不可避免的情况(或行动)A situation or action that is a necessity is necessary and cannot be avoided.例：The President pleaded that strong rule from the centre was a regrettable, but temporary necessity.总统辩解说，实行高度的中央集权虽不尽如人意，但暂时来说却是必要的。

单词	necessity
音标	英[nəˈsesəti] 美[nəˈsɛsɪti]
解释	n.必要（性）;（迫切）需要;必需品;自然规律;
例句	N-UNCOUNT 必然;必要 The necessity of something is the fact that it must happen or exist. 例：There is agreement on the necessity of reforms...对改革的必要性已经达成了共识。例：As soon as the necessity for action is over the troops must be withdrawn...一旦军事行动的必要性不复存在，军队就必须撤出。 N-COUNT 必需品;必不可少的事物 A necessity is something that you must have in order to live properly or do something. 例：Water is a basic necessity of life.生命离不开水。例：...food, fuel and other daily necessities.食物、燃料和其他日常必需品 N-COUNT 不可避免的情况(或行动) A situation or action that is a necessity is necessary and cannot be avoided. 例：The President pleaded that strong rule from the centre was a regrettable, but temporary necessity.总统辩解说，实行高度的中央集权虽不尽如人意，但暂时来说却是必要的。
变形	pl:necessities~

Necessity Action N Count 英[Nəˈsesəti 美[Nəˈsɛsɪti N.必要（性）;（迫切）需要;必需品;自然规律 N Uncount 必然;必要