Unpolluting
(unpollute 的现在分词) 未污染
🗣️ 情景例句
Where?
在什么地方？
Sometimes it's nice just to sit around and do nothing.
偶尔坐着无所事事，也算是赏心乐事。
The first thing I saw when I entered the art gallery was a notice which said:
走进展厅首先看到的是一张告示，上面写着