Ortholan奥尔托朗orthoadj.正色(性)的pref.正确；直；正；原ortho-phosphorous acid亚磷酸Orthopodomyia lanyuensisn.兰屿直脚蚊orthopedic traction spel矫形牵引架orthopedic X-ray image骨科X线片Ortho-Hydroxybenzamide水杨酰胺, 邻羟基苯甲酰胺, 氨基水杨酰[解热镇痛药]ortho-hydroxyphenylazon.邻羟基苯偶氮Orthodontic cephalometry正畸的头测量法orthopedic bed and frame矫形床架ortholocalization energy邻位定域能ortho - phthalaldehyde邻苯二甲醛