Tri-oval

（重定向自Trioval）

Aerial view of the Talladega Superspeedway tri-oval.

A tri-oval is a shape which derives its name from the two other shapes it most resembles, a triangle and an oval. Rather than meeting at sharp, definable angles as the sides of a triangle do, in a tri-oval these angles are instead rounded into smooth curves. While an oval has four turns, a tri-oval has six .

单词	Trioval
释义	Trioval 英语百科 Tri-oval （重定向自Trioval） A tri-oval is a shape which derives its name from the two other shapes it most resembles, a triangle and an oval. Rather than meeting at sharp, definable angles as the sides of a triangle do, in a tri-oval these angles are instead rounded into smooth curves. While an oval has four turns, a tri-oval has six .
随便看	heteropelma fulvitarse heteropelmous Heteropentamer heteropentameric heteropentamers heteropentosan heteropetala heteropetalous heteropeucenin heterophage heterophagic lysosome heterophagic vacuole heterophagocytic vacuole heterophagocytosis heterophagolysosome heterophagosome heterophagous heterophagous animal heterophagy heterophane heterophanes heterophany heterophase heterophase chemiluminescence heterophase polymerization