metal corrosion 金属腐蚀
prevent corrosion 防止腐蚀
surface corrosion 表面腐蚀
chemical corrosion 化学腐蚀
corrosion rate 腐蚀速率
A: How can we prevent these corrosions?
A：我们如何防止这些腐蚀发生？
B: Applying a protective coating is one of the best ways.
B：涂抹保护层是最好的方法之一。
1) 腐蚀作用
2) 侵蚀现象
3) 氧化过程
1. 腐蚀，侵蚀
noun
1. The process of eating away or destroying something gradually by a chemical reaction.