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TOEFL BNC: 6186 COCA: 5927
upgrade
ʌpgreɪd ʌpgreɪd ˈʌpˌgreɪd ʌpˈgreɪd
Word forms: plural , 3rd person singular present tense upgrades, present participle upgrading, past tense , past participle upgraded
The verb is pronounced /ʌp'greɪd/. The noun is pronounced 'ʌpgreɪd/. 动词读作/ʌp'greɪd/，名词读作/'ʌpgreɪd/。
1 VERB [usually passive] 改良；更新；升级 If equipment or services are upgraded, they are improved or made more efficient. 改良；更新；升级 [Also VERB]

  • Helicopters have been upgraded and modernized. [be VERB-ed]

    直升机已经更新换代，装配了现代化设备。

  • Medical facilities are being reorganized and upgraded. [be VERB-ed]

    正在对医疗设施进行重组和升级。

  • ...upgraded catering facilities. [VERB-ed]

    更新换代的餐饮设施

SYN improve, better, update, reform
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 [usually passive] 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. 擢升；晋升；提升；提拔

  • He was upgraded to security guard. [be VERB-ed + to]

    他被擢升为保安。

SYN promote, raise, advance, boost
3 VERB (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. (使)升级到更高待遇;(使)升舱 [Also VERB n]

  • You can upgrade from self-catering accommodation to a hotel. [VERB]

    您可以将自理膳食旅店升级为酒店。

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