large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales; dolphins; porpoises; narwhals
同义词：cetacean, cetacean mammal
blower详细解释
blow.er n.（名词）One that blows, especially a mechanical device, such as a fan, that produces a current of air.风箱，鼓风机：吹动气流的物体，尤指产生气流的机械装置（例如风扇）Slang A braggart.【俚语】 自夸者，吹牛的人Chiefly British A telephone.【多用于英国】 电话
