rolleredadj.具有滑轮的；装在滑轮上的rollern.滚筒；滚轴；滚转机；巨浪roller skating lessons轮滑课roller raising machine拉绒机roller carried plunger滚道柱塞roller-coaster trade忽好忽坏的交易roller buffing machine擦皮辊机roller printing machine辊筒印花机roller-type rice mill辊式碾米机roller way control case辊道控制箱roller grinding machine磨皮辊机roller shearing machine滚剪机