zero hour
US /ˈzɪroʊ ˈaʊər/
UK /ˈzɪroʊ ˈaʊər/
1.
零時, 開始時間
the time at which a planned operation or event is scheduled to begin
:
•
The troops were ready for zero hour, awaiting the command to advance.
部隊已為零時做好準備，等待前進的命令。
•
The launch countdown began, signaling that zero hour was approaching.
發射倒計時開始，預示著零時即將來臨。