The falls have always been an insurmountable obstacle for salmon and sea trout.

这些瀑布始终是鲑鱼和海鳟鱼不可逾越的障碍。

《柯林斯英汉双解大词典》

However, many fish, such as shark, catfish, swordfish, and sea trout, contain almost one-third fat, while salmon and orange roughy contain over 50%.

然而，许多鱼类，如鲨鱼，鲶鱼，旗鱼和海鳟，含有近三分之一脂肪，而鲑鱼和橘棘鲷（红鱼）则超过50％。

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Data about fresh - and saltwater species from tropical to arctic circumstances mentioning trout, salmon, catfish, carp, sea bass, shrimp etcetera are given.

数据新鲜和海产物种从热带到极地的情况下提的鳟鱼，鲑鱼，鲶鱼，鲤鱼，鲈鱼，虾等，给出。

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