🔍
雙
凸
面
雙
凸
面
Definitions3 characters
shuang1 tu1 mian4
convex on both sides (of lens)/biconvex
Usage•••frequent
Pronunciations
雙
凸
面

As word

1
shuang1
convex on both sides (of lens)/biconvex
2
tu1
convex on both sides (of lens)/biconvex
3
mian4
convex on both sides (of lens)/biconvex