upgrade

upgrade是什么意思，upgrade怎么读 语音:
英音  [??p'ɡre?d] 
美音  [??p?ɡred] 

• 基本解释

n. 向上的斜坡
vt. 提升；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

• 速记技巧

【记】up-前缀表示“向上”，grade表示“等级，年级”，（使等级向上就是升级）

• 变化形式

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

• 中文词源

• 双语例句

用作及物动词(vt.)

1. Please click here to upgrade your Player.
   请单击此处,升级您的播放器。
2. Companies need to upgrade servers.
   公司需要对服务器升级。
3. We need to upgrade the pay and status of teachers.
   我们需要提高教师的工资和地位。
4. 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。
5. 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。
6. 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.)

1. 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.)

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

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