偏焦offset: n. 1.抵销,抵销物,(优点对缺点等的)弥补,补偿 ( ...focus: n. (pl. focuses, foci ) 1.【物 ...axial offset-focus: 轴向偏焦lateral offset-focus: 横向偏焦offset prime focus feed: 偏焦馈电下载手机词典可随时随地查词查翻译