cetacean

详细解释:a. 鲸目的, 鲸鱼的
n. 鲸目动物, 鲸鱼

英语解释：

名词 cetacean:

large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales; dolphins; porpoises; narwhals同义词：cetacean mammal, blower