roll off

tomber en roulant

Quitter une surface ou en tomber en roulant.

En anglais simple : To leave a surface by turning over as you move.

• The ball rolled off the table.
• He rolled off the bed in his sleep.
• Did your pen roll off the desk?

Comment l'utiliser : roll off something (A coin rolled off the counter.)

Expressions courantes : roll off something, roll off the table

sortir de la chaîne de montage

Quitter la chaîne de production d’une usine sous forme de produit fini.

En anglais simple : To leave a factory’s production line as a finished product.

• New cars roll off the line daily.
• The millionth bicycle rolled off the line yesterday.
• When will the first trucks roll off the production line?

Comment l'utiliser : roll off something (The first buses rolled off the assembly line today.)

Expressions courantes : roll off the line, cars roll off

décharger en faisant rouler

Enlever quelque chose d’une surface ou d’un véhicule en le faisant rouler, éventuellement sur ses roues.

En anglais simple : To remove something from a surface or vehicle by moving it on wheels or turning it over.

• Roll the barrel off the platform.
• The driver rolled off the empty container.
• We rolled the cart off the trailer together.

Comment l'utiliser : roll something off something (They rolled the container off the truck.)

Synonymes : roll away

Expressions courantes : roll off something, roll something off

s'atténuer

Un son ou un signal devient plus faible aux fréquences les plus hautes ou les plus basses d’une plage.

En anglais simple : To become weaker at the high or low end of a range of sound or signal frequencies.

• The bass rolls off below this frequency.
• High frequencies rolled off gradually in our measurements.
• Does the signal roll off sharply above this point?

Comment l'utiliser : roll off below/above something (The response rolls off above ten kilohertz.)

Synonymes : attenuate, decrease

Expressions courantes : bass roll off, roll off sharply

s'incliner brusquement

Pour un avion, basculer brusquement sur le côté parce qu’une aile perd sa portance avant l’autre.

En anglais simple : If a plane does this, it suddenly tilts sideways because one wing loses its lifting force first.

• The aircraft rolled off to the left.
• Some planes roll off sharply during a stall.
• The pilot recovered after the aircraft rolled off.

Expressions courantes : aircraft roll off, roll off suddenly