Calaf
[地名] [西班牙] 卡拉夫
🗣️ 情景例句
Why don't you speak to Dad?
你们为什么不跟爸爸说说看？
Will it be convenient for you to explain your plans to him?
你向他解释计划将是方便的吗？
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。