Fluozirconate
氟锆酸盐
🗣️ 情景例句
How do you tie it?
你怎么打的？
Oh, thank you.
噢，谢谢了。
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。