鲸鱼
a very large marine mammal with a streamlined hairless body, a horizontal tail fin, and a blowhole on top of the head for breathing.
示例:• The majestic blue whale is the largest animal on Earth.雄伟的蓝鲸是地球上最大的动物。• We went on a boat trip hoping to spot a whale.我们乘船旅行，希望能看到鲸鱼。同义词:cetaceanleviathan