复数：roulettes 过去分词：rouletted 现在分词：rouletting
1.轮盘赌;(轮盘赌用的)转轮
2.(雕刻家的)点线压制轮;粗网纹压制轮;(邮票)骑缝虚线压制轮
3.【数】一般旋轮线
4.转轮式卷发器
1.a game in which a small ball is thrown onto a moving wheel that is divided into sections, while people try to win money by guessing where the ball will stop
rouletted