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词汇 QED
释义
Idiom
QED
formal something that you say in order to emphasize that a fact proves what you have just said is true.
People are getting taller all the time - apparently it's progress and has to do with quality of life (cavemen were short QED).

Q.E.D.

An initialism of quod erat demonstratum (Latin for "what was to be demonstrated"), formally used at the conclusion of mathematical or philosophical proofs. In everyday speech and writing, it is used to emphasize that something proves a particular point or opinion. If the company's profits have gone up while their operating costs have gone down, then they have the money to pay their employees a better wage, Q.E.D.

ˌQEˈD

that is what I wanted to prove and I have proved it: He can’t have done it. The bank was robbed at 6.30 and he was with me at the time. QED.This is an abbreviation of a Latin phrase, quod erat demonstrandum, meaning which was to be demonstrated.
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