Millisievert
(mSv)毫西弗特
🗣️ 情景例句
I'll call you again later, OK?
我以后再打给你，好吗？
She is now on vacation.
她正在休假。
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。