英语词汇belt up怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	belt up
释义	belt up belt up phrasal verbphr v British EnglishBrE a) QUIET spoken used to tell someone rudely to be quiet 住口，闭嘴 b) informal to fasten your seat belt in a vehicle 系好安全带 → belt up at belt2(2)
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