... black right whale 真露脊鲸属; 脊美鲸 north athlantic right whale （真）露脊鲸属 north atlantic right whale 北大西洋露脊鲸 ...
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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。
The white bumps on a right whale's head are skin abrasions called callosities.
从南非，一只南方的脊美鲸南露脊鲸偷看水面，然后回落到深处。
Off south Africa, a southern right whale Eubalaena australis takes a peek above water before heading back down to the depths.
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。
Photo Gallery: Whales The white bumps on a right whale's head are skin abrasions called callosities.
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