The verb is pronounced /ʌp'greɪd/. The noun is pronounced /'ʌpgreɪd/. 动词读作/ʌp'greɪd/，名词读作/'ʌpgreɪd/。
1
[VERB 动词]改良；更新；升级 If equipment or services are upgraded, they are improved or made more efficient.
[be V-ed]
[V-ed]
[Also V]
[usu passive]
[usu pl]
Helicopters have been upgraded and modernized...
直升机已经更新换代，装配了现代化设备。
Medical facilities are being reorganized and upgraded.
正在对医疗设施进行重组和升级。
...upgraded catering facilities.
更新换代的餐饮设施
Upgrade is also a noun.
...equipment which needs expensive upgrades.
更新费用高昂的设备
...upgrades in the level of security.
安全级别的升级
2
[VERB 动词]擢升；晋升；提升；提拔 If someone is upgraded, their job or status is changed so that they become more important or receive more money.
[be V-ed to n]
[usu passive]
He was upgraded to security guard.
他被擢升为保安。
3
[VERB 动词](使)升级到更高待遇；(使)升舱 If you upgrade or are upgraded, you change something such as your air ticket or your hotel room to one that is more expensive.
[V]
[Also V n]
You can upgrade from self-catering accommodation to a hotel.
您可以将自理膳食旅店升级为酒店。
Oxford
up·grade/ˌʌpˈɡreɪd; NAmEˌʌpˈɡreɪd/verb[often passive ]1upgradesth to make a piece of machinery, computer system, etc. more powerful and efficient 使（机器、计算机系统等）升级；提高；改进2upgradesb (to sth) to give sb a more important job 提升；提拔SYN
promote
3upgradesb ( to sth) to give sb a better seat on a plane, room in a hotel, etc. than the one that they have paid for 提高（飞机乘客、旅馆住客等的）待遇；优待4upgradesth to improve the condition of a building, etc. in order to provide a better service 提高（设施、服务等的）档次；改善；使升格◆to upgrade the town's leisure facilities改善镇里的休闲设施☞compare
1[intransitive, transitive] to make a computer, machine, or piece of software better and able to do more thingsupgrade (something) to something You’ll need to upgrade your hard drive to 120Mb before running this software.2[transitive] to improve something and make it more modern, especially in order to provide a better service: The hotel has recently been refurbished and upgraded.3[intransitive, transitive] to give someone a better seat on a plane or a better room in a hotel than the one they paid forupgrade (somebody) to something We can upgrade you to business class.4[transitive] to give someone a more important job5[transitive] to change the official description of something to make it seem better or more importantOPP downgradeupgrade something to something Four of the regions were upgraded to the status of republic.6upgrade your skills to learn new and more modern ways of doing a particular job—upgrade /ˈʌpɡreɪd/ noun [countable]
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