Fredashu-夏晨光
4 years ago
看看這涇渭分明的河水 https://images.plurk.com/3wLMUqjhgWt4UxJSaKGbAD.jpg https://images.plurk.com/2mXW0p7cwDAiGpKZEq2hPK.jpg
Salena_Fallon
4 years ago
老師有說過上游的工廠好像會排放未處理的廢水呢
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