搜尋結果
convexo-concave
- IPA[kənˌveksōˈkänkāv]
美式
- (of a lens) convex on one side and concave on the other and thickest in the center.
- 更多解釋
- IPA[kənˌvɛksəʊkɒnˈkeɪv]
英式
- (of a lens) convex on one side and concave on the other and thickest in the centre.
Oxford Dictionary