Unpolluting
(unpollute 的現在分詞) 未污染
??? 情景例句
Talk it over. Think it over. Let me know by the end of the week.
好好地談一談。好好地想一想。這個周末以前讓我知道你的決定。
A candle lights others and consumes itself.
蠟燭焚自身，光亮照別人。
Perhaps we van make it later.
那么，也許改天吧。