| 释义 |
op·ticsBrE /ˈɒptɪks/ NAmE /ˈɑːptɪks/ noun [U ]the scientific study of sight and light 光学 ➡ see also fibre opticsUncountable nouns ending in –icsathletics,ballistics,civics,cybernetics,genetics,geophysics,gymnastics,linguistics,optics,orthodontics,orthopaedics,phonetics,phonics,physics,semantics,semiotics,stylistics,thermodynamics |