【医】 opticianry
aperture; eye; key point; look; small hole
【医】 eye; oculi; oculo-; oculus; ophthalm-; ophthalmo-; ophthalmos
ophthalmus
a branch of academic study; family; pass a sentence; section
【化】 family
【医】 department; family; family systematic
【经】 accountant's department; division head; section
optics
【化】 optics
【医】 optics; photology