[ˌpri:pju:ˈbesənt]
青春期前的：同prepubertal- orthoptics
- orthoptist
- orthoptoscope
- orthorhombic
- orthorrhachic
- orthoscope
- orthoscopic
- orthoscopy
- orthosis
- orthostatic
- orthostatism
- orthostereoscope
- orthosympathetic
- orthotherapy
- orthotic
- orthotics
- orthotist
- ortho-tolueno-azo-beta-naphthol
- orthotonos
- orthotonus
- orthotopic
- orthovoltage
- Orthoxine
- orthuria
- Ortolani's click