| 词汇 | buckle up |
| 释义 | buckle up phrasal verb with buckle verb uk/ˈbʌk.əl/ us/ˈbʌk.əl/ US informal (UK belt up)系紧安全带 to fasten the belt that keeps you in your seat in a car or a plane Don't forget, buckle up before you start driving. 别忘了开车前系好安全带。 |
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