单词	biconvex
释义	biconvex adjective bi·​con·​vex ˌbī-(ˌ)kän-ˈveks  (ˌ)bī-ˈkän-ˌveks : convex on both sides biconvexity ˌbī-kən-ˈvek-sə-tē  -(ˌ)kän- noun Word History Etymology International Scientific Vocabulary First Known Use 1807, in the meaning defined above Medical Definition biconvex adjective bi·​con·​vex ˌbī-(ˌ)kän-ˈveks  (ˈ)bī-ˈkän-ˌ  ˌbī-kən-ˈ : convex on both sides a biconvex lens
随便看	papering over paperings paperknives paperless paperlike papermaker papermakers papermakers' alum papermaking papermakings papermouth papern paperrest papers papers over papersful papershell paperweight paperweights paperwhite paperwork paperworker paperworks papery papery leaf spot

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