outer ear外耳
outeradj.外部的;外面的
outer shell electrons外层电子
outer surface of wood木表
outer segment of cone锥(体)外节
outer layer of a pome仁果的外层
outer-space missile外层空间导弹
outer bicipital ridge肱二头肌后嵴
outer protecting pipe外护管
outer sedimentary arc外沉积弧
outer drainage system外排洪系统
outer cavity klystron外腔式速调管