| 单词 | countdown |
| 释义 | countdown 1 ENTRIES FOUND: plural countdowns plural countdowns Learner's definition of COUNTDOWN [count] 1 : the act of counting down the number of seconds that remain before something (such as the launch of a rocket) happens倒数读秒，倒计时（如火箭发射之前） — usually singular通常用单数
2 : the period of time before an important or special event（重要或特殊事件）临近之时— usually singular通常用单数； — usually + to
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英汉双解词典包含109353条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。