astroid的音标：astroid的英式发音音标为：['æstrəʊɪd]astroid的美式发音音标为：['æstroʊɪd]...

adj.星状的n.星形线...

Construct an animation showing the tangent sweeping out the interior of astroid.建构一动态绘图:展示星状线的切线所有扫掠过的内部轨迹.Construct rotating cardioid and astroid while remaining orthogonal to each other.作旋转的心脏线和旋转的星状线,且彼此维持正交.Construct...