concave
/ˈkɑn.keɪv/ 形容词 C1中文： 凹
- Curved like the inner surface of a sphere or bowl.
- Not convex; having at least one internal angle greater than 180 degrees.
- Satisfying the property that all segments connecting two points on the function's graph lie below the function.
- Hollow; empty.
其他匹配结果
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