orthod灰土orthoadj.正色(性)的pref.正确；直；正；原orthopraxisn.[医]机械矫形术orthocresoln.邻甲酚orthodentin直型牙本质orthostichy[植]垂直纵列线orthometric正交的orthostasis静态平衡位orthocortex正皮质层orthopadistn.整形外科医师orthoscopicadj.无畸变的ortho amide原酰胺