原污水,未处理的污水;

It's not enough to get rid of raw sewage by pumping it out to sea.
将未经处理的污水排入海中了事是不够的。
来源:《柯林斯高阶英汉双解学习词典》a ban on the dumping of raw sewage (= that has not been treated with chemicals) at sea
禁止把未经处理的污水排入海中
来源:《牛津高阶英汉双解词典》It's not enough to get rid of raw sewage by pumping it out to sea...
将未经处理的污水排入海中了事是不够的。
来源:《柯林斯高阶英汉双解学习词典》Discharge of raw sewage into the sea is unsanitary and unsafe.
把未经处理的污水排放到海里既不卫生也不安全。
来源:《柯林斯高阶英汉双解学习词典》
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