lever
Definition
A rigid bar resting on a pivot, used to move a heavy load with less effort.
中文 一根刚性杆，支点上可用较少力量移动重物。
Example
"He used a metal lever to pry open the stuck crate."
A rigid bar resting on a pivot, used to move a heavy load with less effort.
中文 一根刚性杆，支点上可用较少力量移动重物。
"He used a metal lever to pry open the stuck crate."