lever; balancing/regulating mechanism
Meanings
2 senses · 6 examplesnoun
lever; a simple machine consisting of a rigid bar pivoted on a fulcrum
neutralA mechanical device used to amplify force. Key components include the fulcrum (支点), effort point (动力点), and resistance point (阻力点). Examples include scissors, crowbars, and seesaws.
Archimedes once said, 'Give me a place to stand, and I will move the earth.' This uses the principle of the lever.
Using this iron rod as a lever, we can easily pry open this wooden crate.
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Scissors are a typical type of lever, with their fulcrum located in the middle of the blades.
noun
balancing force; regulatory mechanism; something that exerts control or influence
neutralUsed metaphorically in economics, finance, and policy to describe tools or forces that adjust or control a system.
Interest rates are an important lever for the central bank to regulate the macroeconomy.
In a market economy, price is a key lever for resource allocation.
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Tax policy can serve as an economic lever to stimulate or curb consumption.