要创建此外形，开始一个规则的圆形外形，复制路径并将其转换为更小的尺寸。
To create this shape, start with a regular circle shape, duplicate the path and transform it to smaller size.
线粒体逐渐增多，叶绿体的形状由规则的纺锤形逐渐变为不规则的圆形或椭圆形。
The shape of chloroplasts changed from regular spindle-shaped to irregular rotundity and oval.
一些圆形畜棚不是规则的圆形，他们只是看起来是圆的。实际上只是许多平板一块接一块拼接起来的。
Some round barns are not truly circular. They just looked that way, but really are many flat pieces put together side by side.
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