《英文msh詞典》Gray Grampus
[同義詞] Gray Grampus
[主題詞] Dolphins
[中文釋義] 灰海豚
[英文釋義] Mammals of the families Delphinidae (ocean dolphins),Iniidae,Lipotidae,Pontoporiidae,and Platanistidae (all river dolphins). The common name dolphin is applied to small cetaceans having a beaklike snout and a slender,streamlined body,whereas PORPOISES are small cetaceans with a blunt snout and rather stocky body. Dolphins are the most agile of the cetaceans and some of the speediest. They have remarkable group precision and regularity of movement. (From Walker's Mammals of the World,5th ed,pp978-9)