outer ear外耳
outeradj.外部的;外面的
outer mantle of flame火焰外光轮
outer lining material外衬材料
outer margin of elbow肘后
outer screw seal ring外旋转密封环
outer circular plexus外环丛
outer capillary water外毛管水
outer wall plastering外墙抹灰
outer planets mission外行星飞行任务
outer peripheral face外周面
outer band of contour轮廓内区