Unpolluting
(unpollute 的现在分词) 未污染
🗣️ 情景例句
I'm afraid I'll be tied up tomorrow at ten.
恐怕明天上午10点我很忙。
If you lie upon roses when young, you'll lie upon thorns when old.
年青时躺在玫瑰上，老年时就会躺在荆棘上。
Go on until you reach the end. You'll find the park in front of you.
一直走到尽头。公园就在前面。