Constraint length
[计] 约束长度
🧩 词语组成解析
🗣️ 情景例句
Well, it's small, but clean.
噢， 它是小了点， 但是干净。
Don't be afraid.
不要害怕。
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。