Pitting
n. 锈斑, 凹痕\\n[化] 点状腐蚀
🗣️ 情景例句
Are the people friendly in China?
中国的人们友好吗？
Is your factory any different from other plastics factories?
你们工厂和其他塑胶工厂有何差别呢？
Well, I have a problem.
唉，我有一个难题。