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
Could you please say that again?
能再重复一遍吗？
We never know the worth of water till the well is dry.
井干方知水可贵。
Party? What party?
聚会？什么聚会？