n.轮盘赌；点线机；转迹线
v.用滚轮压骑缝孔
I think I'll try my luck at roulette. 我想玩玩轮盘赌碰碰运气。
We played roulette till two o'clock. 我们玩了轮盘赌，一直玩到两点钟。
