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1·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。

2·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。

3·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。

4·Of the two plausible explanations for the decline—increased predation by killer whales or disease—disease is the more likely.

对于鲸鱼数量的下降，有两种可能的解释——虎鲸捕食或疾病的增加——疾病的可能性更大。

5·For a long time, we assumed that all whales that had teeth including sperm whales and killer whales were closely related to one another.

在很长一段时间里，我们认为所有有牙齿的鲸鱼，包括抹香鲸和虎鲸，彼此都是密切相关的。

6·Like humans, killer whales have colonized a range of different habitats across the globe, occupying every ocean basin on the planet, with an empire that extends from pole to pole.

像人类一样，虎鲸也在全球范围内开拓了一系列不同的栖息地，占据了地球上的每一个海洋流域，拥有一个从一极延伸到另一极的帝国。

7·The fish are not sharks or killer whales.

这些鱼并不是鲨鱼或逆戟鲸。

8·Killer Whales are able to learn to speak Dolphin.

逆戟鲸可以学会说海豚语。

9·Killer Whales are able to learn to speak Dolphin.

虎鲸能学海豚说话。

10·Since the 1960s, 200 killer whales have died in captivity.

自1960年代起已有200头被捕获的杀人鲸（译注：又名逆戟鲸）死去。