圆圈代表车轮，小车轮变为大车轮表现的是转动的车轮又远及近！

The circle represent wheel, The small circle change into big circle is show the running wheel!

youdao

圆圈代表车轮，小车轮变为大车轮表现的是转动的车轮又远及近！

The circle represent wheel, The small circle change into big circle is show the running wheel!

youdao