浑圆度取决于边角的锐度或曲率半径。
Roundness depends on the sharpness or radius of curvature of the edges.
它一手擎着碧玉权杖，一手握着浑圆的水晶。
In one hand it held a crooked sceptre of jade, and in the other a round crystal.
你的耳朵不可能是硬的，浑圆的和统一尺寸的。
They are three things that your ears are not: hard, perfectly round and uni-size.
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