upgrade是什么意思 upgrade意思介绍

王明刚老师

1、upgrade的意思是:使(机器、计算机系统等)升级;提高;改进 。

2、例句:

to upgrade the towns leisure facilities.改善镇里的休闲设施。

Helicopters have been upgraded and modernized.直升机已经更新换代,装配了现代化设备。