英语词汇“countdown”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	countdown
释义	Word Frequency countdown (ˈkaʊntˌdaʊn) noun 1. the act of counting backwards to time a critical operation exactly, such as the launching of a rocket or the detonation of explosives verb count down (intr, adverb) 2. to count numbers backwards towards zero, esp in timing such a critical operation
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