...the dumping of nuclear waste and untreated sewage.倾倒核废料和未经处理的污水Cities upstream use the river to get rid of sewage.上游的城市将污水排放到河里。Sewage nutrients do increase algal growth in the harbour.污水中的营养物确实会加快港口的海藻生长。The discharg...
Sewage nutrients do increase algal growth in the harbour.污水中的营养物确实会加快港口的海藻生长。Cities upstream use the river to get rid of sewage.上游的城市将污水排放到河里。The pipe disgorges sewage into the sea.这管道将污水排入大海。...