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.
equipment
Noun
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Your equipment is the things that you use to do a job or sport.
Soccer is a popular game because you need very little equipment to play--just a ball and an open space.
The soldiers had to carry all their equipment on their backs.
The computer equipment was old and often broke down.