https://3c.yipee.cc/153303/kitty-hawk-%e6%89%93%e9%80%a0%e8%b6%85%e9%9d%9c%e9%9f%b3%e7%9a%84%e5%9e%82%e7%9b%b4%e5%8d%87%e9%99%8d%e9%a3%9b%e8%a1%8c%e6%b1%bd%e8%bb%8a%e3%80%8cheaviside%e3%80%8d/
Kitty Hawk 打造超靜音的垂直升降飛行汽車「Heaviside」