The fishing nets are weighted with lead.

这些渔网是靠铅坠下沉的。

《牛津词典》

Animals get tangled in fishing nets and drown.

动物被缠在渔网里淹死了。

《柯林斯英汉双解大词典》

Whales get caught in plastic fishing nets.

鲸鱼被塑料渔网捕获。

youdao

Some fishing nets,for example,trap whales.

VOA: special.2009.02.10

On a warm summer day, when he usually would not be fishing - and on a part of the Illinois River where commercial fishing is normally illegal - Isaak and his fellow fisherman are casting their nets to drive the Asian Carp out of the water.

VOA: standard.2010.07.19

Fishing nets and trawling devices may in some instances get caught on underwater cultural sites.

UNESCO: Underwater Cultural Heritage

Meanwhile, the device is also being attached to fishing nets to prevent sharks stealing fishermen's catch.

CNN: Divers embrace anti-shark device

The fishing nets themselves are considered toxic after the years of catching so much sea life.

CNN: Stimulus money pays fishermen to snare lost nets