Englishfor English speakers
demonstration
Noun
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A demonstration of something is the act of showing that it is true or that it exists.
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A demonstration of something is the act of showing how to do it or use it.
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A demonstration is a gathering of people to protest something publicly.
flight
Noun
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Flight is the act of flying: moving through the air using wings.
Birds have had flight for millions of years.
The flight of the bird was beautiful.
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A flight is one trip on an airplane.
The flight to Boston leaves soon.
This flight is going to New York.
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Flight is the act of running away and hiding.
The flight of the man just after the crime made the police think he was guilty.