變焦距聚光鏡variable: adj. 1.易變的,變化無常的,無定的 (opp. c ...focus: n. (pl. focuses, foci ) 1.【物 ...condenser: n. 冷凝器;凝汽器;電容器;聚光器;【紡織;印染】集棉 ...variable focus condenser: 變焦聚光鏡; 可變焦距聚光鏡variable condenser: 可變電容器下載手機詞典可隨時隨地查詞查翻譯