水声的 meaning in English

hydroacoustic

This big trumpet is not for speaking , but for listening to the sound of water
这个大喇叭不是用来传音的，而是用来听水声的。
Against the natural background music of running water , participants strove together and helped each other to overcome the roaring water and rapids with the help of ropes fixed along the stream by the working staff
第二天的溯溪活动是这次夏令营的重头戏，工作人员于溪中拉起绳索，在潺潺水声的陪伴下，大家一起同心协力地渡过各个急流瀑布。