The hills were enveloped in dense fog.

群山被浓雾笼罩着。

The steamer is enveloped in a dense fog.

轮船被迷雾包围。

Dense fog envelops this city.

大雾笼罩着此城。

He disappeared in the dense fog.

他消失在浓雾里。

A dense fog lies over the water.

浓雾笼罩在水面上。