知秀网 > 读书 > 正文

upgrade是什么意思 upgrade意思介绍

upgrade是什么意思 upgrade意思介绍

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。