Phosphate (protective)coating
[化] 磷酸盐保护膜
🧩 词语组成解析
phosphate
['fɔsfeit]
n. 磷酸盐;（含有少量磷酸的）汽水;
🗣️ 情景例句
I can't thank you enough for all the work you've done.
对于你所做的一切我真不知道如何感谢你才好。
I have a dog, but it's very quiet.
我有一只狗，不过它很安静。
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。