變焦物鏡,可變焦距透鏡variable: adj. 1.易變的,變化無常的,無定的 (opp. c ...focus: n. (pl. focuses, foci ) 1.【物 ...lens: n. (pl. lenses) 1.透鏡;一組透鏡。 2 ...short-focus lenses: 短焦距透鏡spectacle vari-focus lenses: 變焦物鏡,可變焦距透鏡下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯