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TOEFL BNC: 6186 COCA: 5927
upgrade
ʌpgrd 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

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。

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。

Trends of upgrade
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