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concave
01
凹面
having a surface that is curved inward
Example
The skateboard ramp had a concave design that allowed for better control during tricks.
She marveled at the concave ceiling of the ancient cathedral, which created an impressive echo.
例
The skateboard ramp had a concave design that allowed for better control during tricks.
She marveled at the concave ceiling of the ancient cathedral, which created an impressive echo.
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