Orcas, or killer whales, are afflicted by bio-accumulation of toxins.
逆戟鲸，或称虎鲸，正饱受毒素生物积累作用的折磨。
In 1986 he went to Augusta, Western Australia, where more than 100 killer whales had beached.
1986年，他去了西澳大利亚的奥古斯塔，那里有100多只虎鲸搁浅。
As one of the most brutal predators, killer whales may not fit the image of a cultured creature.
作为最残忍的掠食者之一，虎鲸可能不符合文明动物的形象。
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