Airblasting
空气爆破
🗣️ 情景例句
He doesn't enjoy going to school.
他不喜欢上学。
It won't fit; you'll have to go to the post office.
那不行，你必须去邮局才行。
and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated.
测出回声间隔的时间，便可算出该处海洋的深度。