whistle signal
常见例句
- Acoustic retreat signal for fire party is one long blast with signal whistle.
灭火队的声觉撤退信号是一长声声号。 - Blow your whistle and signal for the end of the match: the away team have won.
你可以鸣哨结束比赛：客队获胜。 - A shrill whistle rang out as a signal, a man over at the engine pulled a lever, a chain from the derrick was lowered, and the whistle rang out again.
随着一声尖锐的哨响作为信号，机器后面的人拉动手柄，起重机下的铰链徐徐降下，然后又是一声哨响。 返回 whistle signal