Shcherbakovite
n. [矿]硅铌钡钠石
🗣️ 情景例句
How nice to meet you.
认识你真高兴。
Sure. Here it is.
当然有。这就是。
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。