Discharge of raw sewage into the sea is unsanitary and unsafe.

向大海里倾倒污水既不卫生也不安全。

《柯林斯英汉双解大词典》

The sewers discharge out at sea.

下水道的污水排入海里。

《新英汉大辞典》

The Volga River and the Ural River discharge into the Caspian Sea.

伏尔加河以及乌拉尔河都有流入里海。

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The sea is enclosed and a discharge of toxic waste might cause devastating harm to the wildlife.

ECONOMIST: Oil and the seals of Kazakhstan

The Environment Agency said that during periods of high tide, high river levels would be unable to discharge into the sea, which was likely to lead to localised flooding at Surfleet reservoir.

BBC: Cars stuck in floodwater

Thousands more pipes could discharge raw sewage into the sea, rivers and lakes than was previously thought, the Marine Conservation Society has said.

BBC: Charity warning over raw sewage discharge levels