在声波的“头部”和“尾端”到达之间有30分钟的时间差。

There was a 30-minute time difference between the arrival of the "bow" and "stern" waves.

youdao

在声波的“头部”和“尾端”到达之间有30分钟的时间差。

There was a 30-minute time difference between the arrival of the "bow" and "stern" waves.

youdao