The danger of shipwreck is much greater in dense fog.

在浓只失事的危险要大得多。

Rain rarely falls on the Atacama's coastline, but dense fog known as camanchaca is abundant.

阿塔卡马沿海地区降雨极少，但是常出现大量浓，也叫做浓湿。

We were prevented by heavy smog from seeing anything.

浓使我看不到任何东西。

Mist wreathed the hilltops.

浓笼罩着山顶。

A dense fog lay around.

周围浓密布。