round·ness
noun/ˈraʊndnəs/
/ˈraʊndnəs/
[uncountable]- the quality of being like a circle or ball in shape
圆度：像圆形或球形的质量 - His face had lost its boyish roundness.
他的脸已不是小时候那副圆圆的娃娃脸了。
- His face had lost its boyish roundness.
- the quality of having a curved shape
弧形的；圆弧的 - the roundness of her shoulders
她肩膀的圆度
- the roundness of her shoulders