Rustproofing
抗锈
✅ 同义词
🗣️ 情景例句
Hi! What happened?
嗨 ！怎么回事？
Many new ideas are discovered during college years.
大部分崭新的观念都产生于大学时代。
I'm sorry to have done that. I didn't mean to be so rude.
我为那样做感到抱歉。我并不想那样粗鲁的。