Nonfouling
未污染的, 未弄脏的, 无污垢的, 无污泥的
🗣️ 情景例句
The subject is unfamiliar to me.
那个问题我不熟悉。
She insists that it doesn't make any difference to her.
她坚持对她没有任何差别。
I'm OK. Sam, what are you going to do tomorrow?
我也很好。山姆，你打算明天做什么？