凸
tū
Meaning
- to stick out; protruding; convex; male (connector etc)
Definition
凸出，高于周围；形状像圆顶或拱起的。
Convex; bulging; protruding.
Usage
常用于描述形状或表面向上隆起，与“凹”相对。也用于几何、光学等领域。
Commonly used to describe a shape or surface that bulges upward, opposite of 'concave'. Also used in geometry, optics, etc.
Examples
- 1 这个透镜是凸的，可以汇聚光线。(This lens is convex and can focus light.)
- 2 他的前额有点凸起。(His forehead is slightly protruding.)
- 3 地图上凸起的部分代表山脉。(The raised parts on the map represent mountains.)
- 4 凸版印刷是一种古老的印刷技术。(Relief printing is an ancient printing technique.)
- 5 这个零件有一个凸面，需要打磨平整。(This part has a convex surface that needs to be sanded flat.)
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