upgraded

英 [ˌʌpˈɡreɪdɪd]

美 [ˌʌpˈɡreɪdɪd]

v. 使(机器、计算机系统等)升级; 提高; 改进; 提升; 提拔; 提高(飞机乘客、旅馆住客等的)待遇; 优待
upgrade的过去分词和过去式

过去分词：upgraded　过去式：upgraded　

BNC.23019 / COCA.20717

柯林斯词典

The verb is pronounced /ʌp'greɪd/. The noun is pronounced /'ʌpgreɪd/. 动词读作/ʌp'greɪd/，名词读作/'ʌpgreɪd/。

VERB 改良；更新；升级
If equipment or servicesare upgraded, they are improved or made more efficient.
1. Helicopters have been upgraded and modernized...
  直升机已经更新换代，装配了现代化设备。
2. Medical facilities are being reorganized and upgraded.
  正在对医疗设施进行重组和升级。
3. ...upgraded catering facilities.
  更新换代的餐饮设施
4. Upgradeis also a noun.
5. ...equipment which needs expensive upgrades.
  更新费用高昂的设备
6. ...upgrades in the level of security.
  安全级别的升级
VERB 擢升；晋升；提升；提拔
If someoneis upgraded, their job or status is changed so that they become more important or receive more money.
1. He was upgraded to security guard.
  他被擢升为保安。
VERB (使)升级到更高待遇;(使)升舱
If youupgradeorare upgraded, you change something such as your air ticket or your hotel room to one that is more expensive.
1. 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。