音标：[ˌʌpˈɡreidz] ；

v. 提升( upgrade的第三人称单数 ); 使（机器、计算机系统等）升级; 提高（设施、服务等的）档次; 提高（飞机乘客、旅馆住客等）的待遇

n an upward slope or grade (as in a road)
n software that provides better performance than an earlier version did
n a reservation that is improved
n the property possessed by a slope or surface that rises
n hardware that provides better performance than an earlier version did
n the act of improving something (especially machinery) by raising it to a higher grade (as by adding or replacing components)
v rate higher; raise in value or esteem
v to improve what was old or outdated
v give a promotion to or assign to a higher position
v get better travel conditions
v give better travel conditions to

upgrade的用法和样例：

例句

用作及物动词(vt.)

Please click here to upgrade your Player.请单击此处,升级您的播放器。
Companies need to upgrade servers.公司需要对服务器升级。
We need to upgrade the pay and status of teachers.我们需要提高教师的工资和地位。
We must try to upgrade our cattle to the required standard of meat.我们必须努力提高牛的品级，使之达到所要求的食用肉标准。
The money enabled us to upgrade the town's leisure facilities.这笔钱使我们得以改善本镇的休闲设施。
We need to upgrade our communications system.我们需要改善我们的通讯系统。

用作副词(adv.)

After a short break, the climbers continued upgrade.稍事休息後,攀登者们继续往山上走。

用作名词(n.)

The power plant received a new upgrade.那个电厂进行了一次升级改造。
It is complex to maintain them after the upgrade.升级后的维护很复杂。
Soon the truck come into sight on an upgrade.不一会儿,卡车就出现在上坡处。
Thefts have been on the upgrade.盗窃案已在增多。

常见句型

用作动词(v.)

用作及物动词S+～+ n./pron.

We need to upgrade the pay and status of teachers.我们需要提高教师的工资和地位。
They upgraded the land by improving it with new buildings.他们以建造新楼房来提高土地的等级。

常用短语

用作动词(v.)

upgrade to (v.+prep.)

The farmers have been trying to upgrade their cattle to the required standard.

农民们一直在力图使他们的牛达到标准。

She was upgraded to sales director.

她已被提升为销售部主任。

Our legation was upgraded to an embassy.

我们的公使馆升级为大使馆。

词汇搭配

用作动词 (v.)

～+名词

upgrade the land提高土地等级
upgrade the pay提高工资
upgrade the status提高地位

～+介词

upgrade to提高到…标准〔级别〕

经典引文

I have no taste for overtaking runaway mules on a steep and interminable upgrade.
出自：K. Sanborn

【近义词】

promote促进
advance前进
raise上升
elevate举起
promotion提升
advancement前进
elevation提升
exaltation(成功带来的)得意...
improvement改进
upgrading提升
renovation革新
modernization现代化
enhancement增强
improve改善
update更新
renew重新开始
modernize(使) 现代化
ascent上升
aggrandize增加
rise上升
kick upstairs（使）明升暗降...
acclivity向上的陡坡
climb攀登
rising slope上升斜率

【反义词】

downgrade使降低

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