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小测验：选择正确的单词
- 论坛新贴
countdown ['kauntdaun]
基本释义
- n. 倒数计秒
参考例句
- Forest clearing in Three Gorges is on the countdown.
三峡林木清库进入倒计时
- Forest clearing in Three Gorges is on the countdown.
英英解释
1个名词解释
- counting backward from an arbitrary number to indicate the time remaining before some event (such as launching a space vehicle)