Yakin
n. [动物]扭角羚
🗣️ 情景例句
We all need one of those.
我们都需要一个这样的领结。
His extension number is 285.
他的分机号码是285。
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。