upgrade是什么意思

upgrade意思：

v.使(机器、计算机系统等)升级;提高;改进;提升;提拔;提高(飞机乘客、旅馆住客等的)待遇;优待

n.向上的斜坡

第三人称单数： upgrades现在分词： upgrading过去式： upgraded过去分词： upgraded 扩展资料

　Medical facilities are being reorganized and upgraded.

　正在对医疗设施进行重组和升级。

　She sent her provisional licence with the test certificate to have it upgraded to a full licence.

　她将临时执照连同考试证书一起提交上去以申请升级为正式执照。

　You can upgrade from self-catering accommodation to a hotel.

　您可以将自理膳食旅店升级为酒店。

　Helicopters have been upgraded and modernized