H-hour

短语

n. 攻击开始时刻

词形变化

H-hours 复数 H-hours

释义与例句

n.
  1. 1.

    The hour at which any major event planned for the future is set to begin, as used in United States military.

    H时

    比喻

词源

The H stands for hour; compare D-Day.

来源：wiktionary