'Upgrade' means to raise to a higher level or status.
upgrade 指提升或使升级。
| 单词 | upgrade |
|---|---|
| 音标 | [ˌʌpˈgreɪd] [ˈʌpˌɡred] |
| 释义 | 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"] |
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