Common Porpoises

《英文msh詞典》Common Porpoises
[同義詞] Common Porpoises
[主題詞] Porpoises
[中文釋義] 普通海豚
[英文釋義] Mammals of the family Phocoenidae comprising four genera and six species found in the North Pacific Ocean and both sides of the North Atlantic Ocean and in various other seas. They differ from DOLPHINS in that porpoises have a blunt snout and a rather stocky body while dolphins have a beaklike snout and a slender,streamlined body. They usually travel in small groups. (From Walker's Mammals of the World,5th ed,pp1003-4)