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 。
【upgrade是什么意思 upgrade意思介绍】Helicopters have been upgraded and modernized.直升机已经更新换代,装配了现代化设备 。

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