1.三角
2.〈英〉(放在车轮下的)制轮棒[石]
1.漂亮的,潇洒的,整洁的;精确的;坚牢的;健全的;诚实的
1.〈英〉使整洁,修饰,打扮 (out up)
2.煞住,制住(车轮)(up)
1.to prop or support something, e.g. with a wedge
2.to support something or stop something from moving with a block or wedge
1.neat, smart, tidy, or trim
1.a brake or supporting block used to stop something from rolling
2.trigonometry, especially as a school subject