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单词 countdown
释义 count·downBrE /ˈkaʊntdaʊn/NAmE /ˈkaʊntdaʊn/ noun~ (to sth) [sing., U] the action of counting seconds backwards to zero, for example before a spacecraft is launched 倒数读秒,倒计时(如发射宇宙飞船时)

astronaut, countdown, dock, launch, mission, orbit, rocket, satellite, space, weightless

[sing.] the period of time just before sth important happens 大事临近的时期the countdown to the wedding 婚礼的临近
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更新时间:2025/2/10 23:08:16