the orca的意思|示意

And third, the uneven pattern of otter decline is better explained by the orca predation theory than by the pollution theory.

第三，海獭数量变化的不均衡性恰好表明了逆戟鲸捕食理论比污染理论更合理。

Most of all, it takes you inside their world, allowingyou to see things from their perspective and to understand another way oflife--the orca way.

最重要的是，本书将你带入虎鲸的世界，让你从它们的角度来看事物，来了解另一种生活方式 - 虎鲸的方式。

Although some people use these names interchangeably, porpoises are actually a larger group that also includes animals like the orca and the beluga whale.

虽然有些人把这些名称交替使用，鼠海豚科实际上是一个更大的群体，其中还包括像虎鲸和白鲸等动物。

Researchers believe their lungs were seared by the toxic fumes, but orca carcasses usually sink, so no autopsy was possible.

研究者们认为它们是因毒烟雾灼伤肺部，但虎鲸尸体通常沉入海底，因而没办法进行尸体解剖。

The unorthodox approach proved successful after the team from Stanford University came up with a design modeled on the structure of the ear of orca wales.

在来自斯坦福大学的研究团队仿效虎鲸耳朵结构做出设计之后，该非传统的方法得以成功验证。

Doubtless open-mouthed themselves, Pitman and Durban - along with a film crew from the BBC Natural History unit - watched as one seal, swept into the water by the orca, swam towards the humpbacks.

当一头被杀人鲸扫入水中的海豹游向座头鲸时，皮特曼和德班一定是和来自BBC自然博物组的摄影师们一起目瞪口呆地看着。