
levers
词源
源自中古英语 'levour',古法语 'leveor',最终来自拉丁语 'levare'(意为抬起)。
noun
❶ 杠杆,一种简单机械装置,通过施加力在支点的一侧来移动另一侧的物体。常用于省力或改变力的方向。
“They used a long wooden lever to lift the heavy rock.”
(他们用一根长木杠杆撬起了那块沉重的石头。)
“The mechanic adjusted the gear lever to change the car's speed.”
(机械师调节变速杆来改变车速。)
❶ 控制杆或操作杆,指机械设备中用于手动控制的杆状部件。
“Pull the lever to start the machine.”
(拉动操纵杆启动机器。)
“The pilot pushed the throttle lever forward to increase speed.”
(飞行员将油门杆向前推以加速。)
verb
❶ 用杠杆撬动或移动某物,也比喻施加影响以达到某种目的。
“Workers levered the concrete slab into position.”
(工人们用杠杆将混凝土板撬到指定位置。)
“She levered herself up from the wheelchair with great effort.”
(她费力地用杠杆原理从轮椅上撑起身体。)
常见短语
lever of power — 权力杠杆,指能够施加影响力或控制的关键手段或资源。
“Economic sanctions became the main lever of power in the negotiation.”
(经济制裁成为谈判中的主要权力杠杆。)
lever up — 通过杠杆作用抬高或提升,也比喻借助外力实现目标。
“The team levered up their performance with new technology.”
(团队借助新技术提升了表现。)