权威例句
On a rollOn a rollOn a rollHelitrons on a roll: eukaryotic rolling-circle transposonsDevice for covering a danger area on a roll changer and a method for controlling a deviceCritical Care Medicine: On a roll!!Flywheels on a rollOn a roll for new TRF targetsLeucines on a rollLeucines on a rollNear the lights of Vegas, chemists are on a roll.Semiconductor manufacturing goes on a rollFlywheels on a roll (vol 34, pg 20, 1997)