v.
（使）升级；提高（飞机乘客、旅馆住客的）待遇；提高……的档次；提拔（upgrade 的过去式和过去分词）
adj.
提升的，升级的
例句
Helicopters have been upgraded and modernized.
直升机已经升级并且装上现代化设备。
《柯林斯英汉双解大词典》
Medical facilities are being reorganized and upgraded.
医疗设施正在进行重组和升级。
《柯林斯英汉双解大词典》
The entire structure has benefited from an upgraded maintenance program that has also included restoration of some of the EEOB's most spectacular historic interiors.
