Swimming upright, it navigates by moving two body-length rows of thin, paddle-shaped protrusions that cascade like dominoes.
竖直游时，它用两排和身体长度相当或更长的纤细的桨状突起来控制方向和移动，两排突起的形状就像是两串多米诺骨牌。
Swimming upright, it navigates by moving two body-length rows of thin, paddle-shaped protrusions that cascade like dominoes.
竖直游时，它用两排和身体长度相当或更长的纤细的桨状突起来控制方向和移动，两排突起的形状就像是两串多米诺骨牌。
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