| 词汇 | countdown | 
| 释义 | countdown  noun uk/ˈkaʊnt.daʊn/ us/ˈkaʊnt.daʊn/  [ C ]倒计时  the act of counting backwards to zero  The countdown to the rocket launch will begin at 9.00 a.m.  火箭发射将于上午9点进入倒计时。   [ S ]倒计时阶段  a short period of time leading to an important event  The countdown to the election has already begun. 选举已开始进入倒计时阶段。  | 
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