rollinn.转入(返回)
rolln.卷;滚动;名单;压路机;颤音;圆形物,面包卷v.摇摆;滚;绕;转动;展开
rolling bears滚动轴承
Rolle theorem罗尔定理
roll sideways团身侧滚翻
roll-torque扭转力矩
rolling drunkadj.喝醉酒后摇摇晃晃的
roll coupling滚转耦合
roll cladding轧制包覆
rolling stoek铁道车辆
roll fittings轧辊导卫装置
"He could recite the names of all the chemical elements"