convex
US /ˈkɑːn.veks/
UK /ˈkɑːn.veks/

1.
凸的, 凸面
having an outline or surface curved like the exterior of a circle or sphere
:
•
The lens of the magnifying glass is convex.
放大镜的镜片是凸面的。
•
The surface of the mirror was slightly convex.
镜子的表面略微凸起。
凸的, 凸面
having an outline or surface curved like the exterior of a circle or sphere