Cyttarrhagia
牙槽出血
🗣️ 情景例句
Let me see -- ASPCA....
让我瞧瞧 ASPCA ……
If you're hungry, we can eat dinner now.
如果你饿了，我们现在就去吃饭。
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。