opticsKK [ˋɑptɪks] /ˈɑptɪks/發音名詞1光學不可數She studies optics and is working on a new type of lens.她研究光學,正在開發一種新型鏡片。2觀感、外界觀感、形象常用複數,多用於政治或商業Cutting staff while raising executive pay creates terrible optics.一邊裁員一邊調高高階主管薪酬,觀感非常糟糕。3光學性能、光學元件常用複數The camera is small, but the optics are surprisingly good.這台相機雖然小,光學性能卻出奇地好。