Indy
/ˈɪndɪ/noun
mass noun
- a form of motor racing in which cars are driven round a banked, regular oval circuit which allows for racing at exceptionally high speeds. It takes place chiefly in the US.印第车赛（主要在美国举行的一种在倾斜的规则椭圆形赛道上进行可以超高车速行驶的车赛）。
词源
1950s: named after INDIANAPOLIS, where the principal Indy race is held.