“升级”的英语？

“升级”的反义词：降级, 留级。...

你可以付费升级到商务舱。You can pay to be upgraded to a business class seat.有报道称萨尔瓦多的战斗已经升级。There are reports of stepped-up fighting in El Salvador.您可以将自理膳食旅店升级为酒店。You can upgrade from self-catering accommodation to a hotel....

“升级”的拼音为：shēng jí ...

“升级”的近义词/同义词：晋级, 进级。...