評論
打印
Water pollution
水污染
A: Is the lake very polluted?
A.這個湖污染嚴重嗎？
B: Well, I wouldn't swim in it- but the water is much cleaner than it was a few years ago.
B:哦，我沒法在里面游泳，但是比前幾年清潔多了。
A: Are local factories allowed to discharge waste water into the lake?
A:允許當地工廠把廢水直接排放到湖中嗎？
B: Yes, but it must be treated in an effluent treatment plant first.
B:是,但是廢水必須首先進入污水處理廠處理。
