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
It's no big deal.
这没有什么。
I saw him at the supermaket.
我在超级市场看到他。
It took years of hard work to speak good English.
讲一口流利的英语需要多年的刻苦操练。