Doomful
充满厄运的
🗣️ 情景例句
How are you?
你怎么样？
I haven't nothing to declare.
我没有要申报的东西。
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。