Interdiffusion
[机] 相互扩散
🗣️ 情景例句
Didn't you feel terrible?
没有感到可怕吗？
How long will it take you to repair it?
你要多久才能修好它？
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。