upgrade
[NOUN, VERB]
upgrades
1. [C 可数名词] 升级
If equipment or services receive an upgrade, they are improved or made more efficient.
双语例句
例：equipment which needs expensive upgrades.
需要进行昂贵升级的设备。
NOUN. 名词
upgrades , upgrading , upgraded
1. [T 及物动词] 使升级
If equipment or services are upgraded, they are improved or made more efficient.
双语例句
例：Helicopters have been upgraded and modernized.
直升机已经更新换代，并装配了现代化设备。
例：Medical facilities are being reorganized and upgraded.
医疗设施正在被重组和升级。
2. [T 及物动词] 提升
If someone is upgraded, their job or status is changed so that they become more important or receive more money.
近义词
双语例句
例：He was upgraded to security guard.
他被提升为保安。
3. [I 不及物动词] （使）升舱 , 使（旅馆房间等）升级 , 升舱 , 升级
If you upgrade or are upgraded, you change something such as your plane ticket or your hotel room to one that is more expensive.
双语例句
例：His family was upgraded from economy to business class.
他的家人从坐经济舱升级到坐商务舱。
VERB. 动词
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