The grandfather was busy in his little shop, and a sound of hammering and sawing could be heard.
爷爷在他的小店里忙着，可以听到敲敲打打和锯木头的声音。
2
Oh, and did I mention that I have Mozart blasting away in my ears so that I can drown out the sound of the podcast the woman in front of me at the coffee shop is playing?
哦，我提到过为了盖过咖啡店里坐在我前面的女人的podcast的声音，我耳朵里回荡着莫扎特的音乐吗？
3
A sound made by tapping on the hull of a shop will be reflected from the sea bottom, and depth of the sea at that point can be calculated.