基本解释n.髓质;骨髓;木髓同根派生 medullas相关词英汉例句用作名词 (n.)There is a central vein in the center of the medulla.髓质中央有一大的静脉,称中央静脉。The remaining cortex is congested, as is the medulla.髓质和余下的皮质呈充血状。medullas更多例句