| 单词 | 鳍状肢 |
| 释义 | 〔limb〕One of the jointed appendages of an animal, such as an arm, a leg, a wing, or a flipper, used for locomotion or grasping.肢，翼：动物身上由关节相连的附肢，如胳膊、小腿、翅膀或鳍状肢，通常用于运动或抓取〔pinniped〕Of or belonging to the Pinnipedia, a suborder of carnivorous aquatic mammals that includes the seals, walruses, and similar animals having finlike flippers as organs of locomotion.有鳍状肢的：属于鳍脚亚目动物的，肉食水生动物的一个分支，包括海狮、海象及其他类似的用鳍状肢行进的动物〔brachium〕An arm or a homologous anatomical structure, such as a flipper or wing.臂的同源结构：臂或同源的解剖结构，如鳍状肢或翅膀〔pinnigrade〕Walking by means of finlike organs or flippers, as the seals and walruses.用鳍（或鳍状肢）行走的动物：用鳍状器官或鳍状肢行走的动物，如海狮和海象等〔walrus〕A large marine mammal(Odobenus rosmarus) of Arctic regions, related to the seals and having two long tusks, tough wrinkled skin, and four flippers. Also called sea horse 海象：一种北冰洋一带的大型海中哺乳动物，（海象 海象属） ，与海豹有关，长有一对长牙、粗糙的褶皱外皮及四只鳍状肢 也作 sea horse |
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