It's a gharial, perhaps the largest terrestrial carnivore ever to walk the earth, larger than T-Rex.

　　這是一條長吻鄂，可能是地球上有史以來最大的'陸地食肉動物，比霸王龍還要大。

　　The polar bear is the largest terrestrial carnivore, being more than twice as big as the Siberian Tiger!

　　北極熊是陸地上最大的肉食性動物，比西伯利亞虎都要大兩倍多！