[/ˈkɔːteks; ˋkɔrtɛks/] n (pl cortices [/ˈkɔːtɪsiːz;ˋkɔrtɪˏsiz/])
用法: 1 (medical 医) outer layer of the brain or other organ (脑或其他器官的)皮层, 皮: the cerebral cortex 大脑皮层 * the renal cortex, ie the outer layer of the kidney 肾皮层(肾的表层).
用法: 2 outer layer of a plant, eg the bark of a tree 植物的表层(如树皮).