lowerleg足loweradj.低的；下级的；下层的v.降低；减弱；跌落lower frequency energy低频能量lower rectal carcinoma低位直肠癌lower end of the range价格区间的低端lower automatic center低位自动中心, 较低位自激点lower - order system低阶系统lower proficiency test初极试验lower-margined items低贡献毛益产品lower thoracic opening胸廓下口lower buccal vestibule下颌颊侧前庭lower frequency allele低频等位基因