Because when haddock face a net, they swim up to escape and get caught.

因为当黑线鳕鱼看到一个网，它们会向上游逃跑但是却被捕捉。

youdao

"They are not a huge prey, but are very nutritious," Patterson says, because fish lacking swim bladders typically have a high lipid content.

帕特森描述道，这些食物不大，但是营养非常丰富，因为这些没有鱼鳔的鱼通常脂质含量很高。

youdao

I really liked that because in China, once they knew I could be a good basketball player, they didn't want me to swim. They thought it was too dangerous.

我这样很惬意，因为在国内，当他们知道我有望成为一名好篮球手时，就不让我游泳了，说太危险。

youdao

They are especially vulnerable because they swim slowly and close to the surface.

BBC: Tagging whale sharks in the Maldives

He said they could not swim on their backs because their disability prevented their backs from making the arch needed to swim.

BBC: NEWS | Health | A bike for the paralysed

The family of a man swept into the sea in Blackpool during gale-force winds say they "fear the worst" because he cannot swim.

BBC: Paul Morris