- 凹(hollow; depression; sunken place)
The character 凹 mimics the shape of a deep indentation or hollow in the middle.
Size
Style
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concave mirror
A concave mirror can converge light rays.
concave mirror
A concave mirror can converge light rays.
The character 凹 mimics the shape of a deep indentation or hollow in the middle.
The character 凹 mimics the shape of a deep indentation or hollow in the middle.
concave mirror
concave mirror
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