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Từ điển WordNet v3.1 - WordNet Dictionary

noun

medium-sized greyish to yellow seal with bristles each side of muzzle;
of the Arctic Ocean
• Syn:
bearded seal, Erignathus barbatus
• Hypernyms:
earless seal, true seal, hair seal
• Member Holonyms:
Erignathus, genus Erignathus