鳟鲑鱼科的各种淡水或溯河性食用及捕钓鱼，尤指鲑鱼属和红点鲑属，通常。

Any of various freshwater or anadromous food and game fishes of the family Salmonidae, especially of the genera Salmo and Salvelinus, usually having a streamlined, speckled.

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几十年来，研究者们一直担心北极动物，如海豹，白鲸，汞水平，北极红点鲑等动物的含汞量增加。

For decades, researchers have worried about rising mercury levels in Arctic animals, such as seals, beluga whales, and Arctic char.

youdao

几十年来，研究者们一直担心北极动物，如海豹，白鲸，汞水平，北极红点鲑等动物的含汞量增加。

For decades, researchers have worried about rising mercury levels in Arctic animals, such as seals, beluga whales, and Arctic char.

youdao