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Equilibrium is a state of balance, where opposing forces or amounts are equal, so nothing is changing or moving. In physics, an object is in equilibrium when all the forces on it cancel out. In everyday life, people talk about finding emotional or mental equilibrium - a calm, steady state where you're not by stress. In economics, equilibrium describes the point where supply and demand match, so prices stay stable. It's a fairly formal word, common in science and serious writing.
平衡(狀態)
組成It comes from Latin 'aequus' (equal) plus 'libra' (a balance or scale) - literally 'equal balance'.
同家族的字
- equalshares the Latin root 'aequus', meaning equal
原始詞典資料4 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
equilibriumnoun/ɛkwɪˈlɪbɹɪəm/
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The condition of a system in which competing influences are balanced, resulting in no net change.
- To Hydroſtaticks belong whatever relates to the Gravities and Equilibria of Liquors; with the Art of weighing Bodies in Water, in order to eſtimate the ſpecifick Gravities.
- 1999, The Matrix, Agent Smith speech Every mammal on this planet instinctively develops a natural equilibrium with the surrounding environment but you humans do not. You move to an area and you multiply and multiply until every natural resource is consumed and the only way you can survive is to spread to another area. There is another organism on this planet that follows the same pattern. Do you know what it is? A virus.
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Mental balance.
- Tiffany Pollard: What just happened?! Eric Andre: That coffee mug is broken. Tiffany Pollard: I can't take this. This is gonna mess up my equilibrium.
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chemistrynatural-sciencesphysical-sciencesThe state of a reaction in which the rates of the forward and reverse reactions are the same.
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natural-sciencesphysical-sciencesphysicsThe state of a body at rest or in uniform motion in which the resultant of all forces on it is zero.
- It now appears that the locomotive did not blow up, as was commonly stated at the time, but that the aeroplane flew so low as to come into contact with the dome of the engine, knocking it off. It was the combination of the impact and the uprush of steam that so disturbed the equilibrium of the raider as to cause it to crash.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。