当今最大的鲸的祖先是可怕的食肉动物，吸进填补牙齿，颌骨巨鱼和鱿鱼。
The ancestors of today's largest whales were gruesome carnivores that sucked giant fish and squid into tooth-filled jaws.
当今最大的鲸的祖先是可怕的食肉动物，吸进填补牙齿，颌骨巨鱼和鱿鱼。
The ancestors of today's largest whales were gruesome carnivores that sucked giant fish and squid into tooth-filled jaws.
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