单词	水沟--排水
释义	排水；水沟drain
随便看	optic angle; apparent optic angle; real optic anisotrope optic aphasia optic apparatus optic apraxia optic artery opticator optic axial angle optic axial plane optic axis optic axis-- dispersion of optic axis; dispersion of optic axis figure optic axis interference figure optic axis of crystal optic axis-- optical axis optic axis; optical axis optic axis plane optic axis-- primary optic axis; primary optic axis-- secondary optic axis; secondary optic biradial optic biradial-- ray axis