opticsKK [ˋɑptɪks] /ˈɑptɪks/发音名词1光学不可数She studies optics and is working on a new type of lens.她研究光学,正在开发一种新型镜片。2观感、外界观感、形象常用复数,多用于政治或商业Cutting staff while raising executive pay creates terrible optics.一边裁员一边调高高阶主管薪酬,观感非常糟糕。3光学性能、光学元件常用复数The camera is small, but the optics are surprisingly good.这台相机虽然小,光学性能却出奇地好。用这个字练口说→