我们在北极探险时看到一只海象在浮冰上休息。

We saw a ___walrus resting on an ice floe during our Arctic expedition.

那个留着浓密胡须的酒吧老板被常客们亲切地称为‘海象’。

The bartender with the bushy beard was affectionately nicknamed '___Walrus' by the regulars.