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upgrade的意思

upgrade

英 [p'gred] 美 [,p'ɡred]

vt. 使升级；提升；改良品种
n. 升级；上升；上坡
adv. 往上
adj. 向上的

upgrade

英文词源

upgrade (n.): also up-grade, 1847, "upward slope," from up (adj.) + grade (n.). The meaning "upgraded version" is recorded from 1980.
upgrade (v.): "increase to a higher grade or rank," 1904 (transitive); 1950 (intransitive), from up (adv.) + grade (v.). Related: Upgraded; upgrading.

双语例句

1. 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。

2. to upgrade the town's leisure facilities: 改善镇里的休闲设施

3. We need to upgrade the status of teachers.: 我们需要提升老师的地位。

4. So we're going to upgrade you and your friend to first class.: 所以我们会将您和您的朋友升等到头等舱.

5. Thefts have been on the upgrade.: 盗窃案已在增多.

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