| 短语 | zero hour |
| 释义 | zero hour1. the exact time when an attack or other military action is supposed to start 发动攻击的时间；采取军事行动的时间 * The company was told that their zero hour was 3 a.m. 连队奉命于凌晨3点开始行动。2. the time when an important decision or change is supposed to come; the time for a dangerous action 做出重要决定或重要变动的时间；关键时刻；危急关头 * It was zero hour and the doctor began the operation on the patient. 那是个关键的时刻，医生开始为那个病人动手术了。 |
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