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concave
01
凹的
having a surface that is curved inward
con
cave
concave
adj
biconcave
adj
biconcave
adj
concavely
adv
concavely
adv
concaveness
n
concaveness
n
例子
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.
