anteriorlyadv.在以前(在前面)anterioradj.前面的；前部的；较早的anterior neuropore前神经孔anterior procedure前路anterior vena cava前腔静脉anterior operation前路手术anterior apophysis前表皮突anterior cross bar前牙牙反牙合anterior deformity[医] 脊柱前凸anterior intestine前肠anterior convexity向前凸出anterior colliculi上丘(四叠体), 前丘