The steamer is enveloped in a dense fog.

轮船被迷雾包围。

《新英汉大辞典》

A dense fog lies over the water.

浓雾笼罩在水面上。

youdao

A dense fog lay around.

周围是一片茫茫大雾。

youdao

The global PE industry entered the new year surrounded by a dense fog of potentially destabilizing uncertainties.

FORBES: Where Is Private Equity Headed In 2012?

The area was under a dense fog advisory at the time of the pileup, said Laura Belanger, a meteorologist at the National Weather Service in Peachtree City.

NPR: Authorities: 4 Dead In Fiery Highway Crash In Ga.

Dense fog in the capital Delhi has brought delays to many flights and railway journeys, and caused a spate of road accidents.

BBC: India cold snap kills hundreds