Alitizing
表面渗铝, 镀铝, 铝化(处理)
🗣️ 情景例句
When you understand the cultural background, you can better use the language.
当你了解了文化背景，你就能更好地运用语言。
Good-bye,Bill.
再见，比尔。
To be careful!
一定要小心！