並前往https://math215.pixnet.net/blog/post/7165852-all-about-pointe-shoes%E5%B0%8F%E7%91%AA%E7%9A%84%E7%A1%AC%E9%9E%8B%E8%A9%A6%E7%A9%BF%E5%A0%B1%E5%91%8A%28%E6%96%B0%E5%A2%9E%E5%9C%96