| 释义 |
Amazon Dolphins | 《英文msh词典》Amazon Dolphins | | [同义词] Amazon Dolphins | | [主题词] Dolphins | | [中文释义] 亚河豚 | | [英文释义] 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) |
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