| 单词 | pinniped mammal |
| 释义 | pinniped mammal (extremely rare) n WORD FAMILY pinniped mammal n aquatic carnivorous mammal having a streamlined body specialized for swimming with limbs modified as flippers Syn|Hypo|Hyper pinnatiped, pinniped seal any of numerous marine mammals that come on shore to breed; chiefly of cold regions sea horse, seahorse, walruseither of two large northern marine mammals having ivory tusks and tough hide over thick blubber crab-eating seal, crabeater sealsilvery grey Antarctic seal subsisting on crustaceans eared sealpinniped mammal having external ear flaps and hind limbs used for locomotion on land; valued for its soft underfur earless seal, hair seal, true sealany of several seals lacking external ear flaps and having a stiff hairlike coat with hind limbs reduced to swimming flippers Atlantic walrus, Odobenus rosmarusa walrus of northern Atlantic and Arctic waters Odobenus divergens, Pacific walrusa walrus of the Bering Sea and northern Pacific aquatic mammal whales and dolphins; manatees and dugongs; walruses; seals |
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