Pitting corrosion
[化] 孔蚀; 膜孔型腐蚀
🧩 词语组成解析
n. 锈斑, 凹痕\\n[化] 点状腐蚀
🗣️ 情景例句
My job is not an easy one,
我的工作是不轻松，
Congratulations on your having passed the test.
我恭喜你通过了考试。
Jim is writing. Lily isn't writing. She's looking at the blackboard.
吉姆在写字。莉莉没在写字。她在看黑板。