cetacean

UK:  [sɪ'teɪʃn]

US:  [sɪ'teɪʃn]

复数：cetaceans  

adj.

1.鲸类动物的

2.鲸类的

n.

1.鲸类的动物〔鲸、海狼等〕

2.鲸目动物

1 . For people interested in cetacean evolution the most perplexing problem has always been: Why are there so many species of [beaked whale]?
对于那些对鲸豚类进化感兴趣的人来说，最困扰的问题总是：为什么突吻鲸会有那么多的种类？

2 . It is believed that the sperm whale dives deeper than any other cetacean.
人们相信，抹香鲸比其他鲸类动物潜得更深。

3 . Cetacean experts do not expect whales to escape this slick completely.
鲸类专家对于鲸鱼能完全逃离油污带不抱希望。

4 . Beaked whales and the narwhal are the only cetacean species with tusks, according to Baker.
贝克指出，在鲸豚类中，只有突吻鲸和独角鲸具有獠牙。

5 . Though there's still more evidence for primate than cetacean personhood, Gero said accumulating research "will start tipping the scales. "
葛洛说，尽管有关灵长类动物人格的证据依然比有关鲸目动物人格的证据多，不断累积的研究成果“必将开始使倾斜这个天平。”