| 词汇 | polish up |
| 释义 | polish up1.■擦亮;磨光;由于摩擦而变得光亮:He polished up the old copper coins.他把古铜币擦得锃亮。2.■[口语]改进;润色;修饰:He wants to go to evening classes to polish up his English.他想上夜校补习英语。 |
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