还要注意，不是使用简单的circle元素，我使用一个具有椭圆弧形的path创建了圆，所以火箭有了一个具有起点和终点的路径。

Also note that instead of the simpler circle element, I have created the circle using a path with elliptical arcs, so the rocket has a path to follow with a beginning and an end.

youdao

还要注意，不是使用简单的circle元素，我使用一个具有椭圆弧形的path创建了圆，所以火箭有了一个具有起点和终点的路径。

Also note that instead of the simpler circle element, I have created the circle using a path with elliptical arcs, so the rocket has a path to follow with a beginning and an end.

youdao