“汽笛”的拼音为：qì dí...

汽笛一响, 列车就徐徐开动了.Blowing its whistle, the train moved out, slowly at first.轮船上的汽笛呜呜叫.The ship's whistle kept hooting.汽笛在叫.The steam whistle is blowing....

“汽笛”的英语可以翻译为：steam whistle，siren，hooter，whistle ...