Jcr
abbr.Junior Common (或Combination)Room <英>(大学)学生公用室
🗣️ 情景例句
Is something bothering you?
有什么事烦你吗？
I wouldn't worry about it, if I were you.
我是你的话，我不会担心的。
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。