双语例句
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The white bumps on a right whale's head are skin abrasions called callosities.
白色的隆起物在一条脊美鲸的头部是皮肤磨损称为老茧皮。
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Photo Gallery: Whales The white bumps on a right whale's head are skin abrasions called callosities.
鲸鱼图片美术馆。白色的隆起物在一条脊美鲸的头部是皮肤磨损称为老茧皮。