Tenside
表面活性剂
🗣️ 情景例句
Could you tell me a little about your background?
能否请您简短地谈一下贵公司的背景？
Experience is the mother of wisdom.
智慧来自经验。
Let me see, please. No, it's not mine. I think it's his.
让我看看，不是我的。我想是他的。