leverKK [ˈlɛvɚ] ｜ /ˈlɛvɚ/
GEPT 中高級
C1noun
a rigid bar pivoted about a fixed point (fulcrum), used to transfer force and lift weights
To lift the heavy box, she used a lever and placed the fulcrum in the center to balance the force evenly.
槓桿
C2noun
a simple machine consisting of a bar that pivots on a fulcrum, typically used to exert a magnified force when a person applies a smaller force at one end
He used a lever to lift the heavy box off the ground.
C2noun
a flat metal key used in a lock which is turned using a lever motion
Insert the lever into the lock and turn it to unlock the door.
C1verb
apply force to move (an object) via a lever, especially in order to prise it open or lift it up
I used a lever to lift the heavy rock and move it out of my garden.
用槓桿撬動；撬開