| 释义 |
brush up- 把…刷得竖起来：
to brush one's hair up 把头发往上刷 - 擦亮；刷新(房屋等)，刷干净，彻底地刷；把…打扮得整洁中看，整洁容貌：
to wash and brush oneself up 梳洗打扮，把自己装扮整洁 - 温习；重温，复习，重新练习(本领、技巧以免荒疏)(常与on连用)：
It's time you brushed up your English,if you want to go to New York on holiday. 如果你想去纽约度假，现在就该复习英语了。 - 改进，使完善，改善
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