| 释义 |
rollHrEJl, $roJln滚动，打滚The dog went for a roll in the grass. [C]狗到草地里打滚。The roll of a ship or aircraft is its movement from side to side in the water or air.(船或飞机的)横摇，颠簸The roll of the ship changed as it left the harbour. [U]船的颠簸在离开港湾时改变了。(infml) If someone is on a roll, they are successful or lucky for a short period of time.连连获胜中，连续交好运中When he won one game after another, it was obvious he was on a roll.当他赢得一场又一场比赛时，很明显他正在连续交好运。A roll bar is a metal bar across the roof of a car that protects the people inside if the car turns over.(汽车驾驶室座位上方的)翻车保护杆
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