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。

This book has large color photographs of sea animals, from plankton to clownfish to orcas.

这本书有许多海洋动物的彩色照片，从浮游生物到小丑鱼乃至逆戟鲸。

Orcas need to be used aggressively for this tactic to succeed.

为了这种战术的成功，需要进攻性的使用奥卡。

Above four are major data tools features in Visual Studio Orcas.

上面四个是在Visual Studio 2008中最主要的数据工具的新特性。

When the engine is off everyone aboard hears the orcas breathing.

关掉引擎之后，船上每个人都听见虎鲸呼吸的声音。