單詞
countdown
英 ['ka?ntda?n]
美['ka?ntda?n]
基本信息
- n. 倒數(shù)計(jì)秒
CET4低頻詞
考試真題
- After the high-pressure Countdown round at this year's national MathCounts competition, in which the top 12 students went head to head solving complex problems in rapid fire, the finalists for the Math Video Challenge took the stage to show their videos.
出自-2017年6月閱讀原文
- After the high-pressure Countdown round at this year's national Math Counts competition, in which the top 12 students went head to head solving complex problems in rapid fire, the finalists for the Math video Challenge took the stage to show their videos.
2017年6月六級真題（第三套）閱讀 Section B
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