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【資料圖】

Walruses are a marine mammal.海象是一種海洋哺乳動物。

They live in the cold seas around Europe and North America.它們生活在歐洲和北美周圍的寒冷海域。

They are very good swimmers and divers.他們是非常優(yōu)秀的游泳和潛水運(yùn)動員。

The most famous thing about walruses is their tusks.海象最著名的是它們的象牙。

The tusks are teeth growing out of their mouth. They can grow for about 15 years.象牙是從嘴里長出來的牙齒。它們可以生長大約15年。

Both the male and female walrus grow tusks. The full length of the tusk is about 100 cm for the male walrus, and it is 75 cm for the female walrus.雄性和雌性海象都長有象牙。雄海象的象牙全長約100厘米，雌海象的象牙全長約75厘米。

Walruses use their tusks to pull themselves out of the water.它們也用象牙把自己從水中拉出來。

They can also use their tusks to protect themselves from polar bears and killer whales.海象可以用它們的象牙保護(hù)自己免受北極熊和虎鯨的傷害。

Walruses are very big. Adult male walruses can weigh more than 2,000 kg.海象很大。成年雄性海象體重可達(dá)2000公斤以上。