Omerta
n. 拒绝作证(黑手党徒的一种行为准则)
🗣️ 情景例句
That's a good sign.
这是个好兆头。
Oh, I'm just going to take it easy.
哦，我只想休息休息。
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。