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The arthroscopic procedure will clean up rough spots on the underside of his left knee cap.
这次手术将清除拜纳姆左膝盖骨下的杂物和积液.
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Pituitary gland ( or hypophysis ) : Endocrine gland lying on the underside of the brain.
脑下垂体: 位于脑下方的内分泌腺体.
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Clusters of tiny insects called aphids were to be found on the underside of the leaves.
结果在树叶背面找到成串的叫作蚜虫小虫子.
新概念英语第三册
