Marshaling
a. 把货车等编级的
🗣️ 情景例句
Do you know the phone number of the restaurant?
知道那家餐厅的电话号码吗
Where did you visit?
你去参观了哪些地方？
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。