Electroplates
v. 电镀( electroplate的第三人称单数 )
🗣️ 情景例句
Fine.
很好。
Shake like jelly.
我吓得腿软。
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。