Dwindlement
n. dwindle的变形
🗣️ 情景例句
He jumps from one job to another.
他经常换工作。
It's cool this afternoon.
今天下午很凉。
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。