短语词组短语lower jaw jaw 下颌Lower r jaw 下颚lower fixed jaw face 下固定颚板面lower swing jaw face 下摆动颚板面lower r jaw elevator 下颌升降托lower jaw elevator 下颌升降托deficiency of lower jaw 下颌缺陷Grasp The Lower Jaw 抓住其下颌Prominent lower jaw 尖下巴 返回 lower jaw