walrus GRE

1.He is the queer old duck with the knee-length gaiters and walrus mustache.

他穿着高及膝盖的皮护腿,留着海象般的八字胡,是个古怪的老家伙。

2.34种已知的鳍脚亚目动物当中最大的是亚南极的南部海象。

34 kinds of known animal suborder foot fins which is the largest of the southern Subantarctic walrus.

3.The 23 million-year-old creature was not a direct ancestor of today's seals, sea lions and walruses, a group known collectively as pinnipeds.

这只2300万年的生物并不是如今海豹、海狮和海象的直，而是来自另一个分支。