Englishfor English speakers
microphone
Noun
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A device that converts sound into electricity; microphones send sound to be broadcast or recorded.
We can't hear you! Speak into the microphone!
She records her songs using a microphone.
supply
Noun
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A supply is an amount of something that you can use when you need it.
We will need a supply of water.
During the war, the Americans destroyed their food supply.
Sadly these books are in very short supply in Britain.
The price of oil changes quickly to match supply and demand.
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Supplies are things like food, water, medicine, gasoline, etc. that people need when they are not near somewhere where they can get them easily.
The Japanese government is finally planning to send medical supplies and financial support.
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Supply is the act or system of supplying something.
They plan to fix the Russian economy and improve the supply of food and consumer goods.
The airplane's air supply wasn't working.
supply
Verb
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If you supply something, you make it available, usually regularly.
We were supplied with a few basic tools that we needed for the job.
Our garden supplies us with all the food we need.
The office was well supplied with chairs.
supply
Adverb
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In a supple way.
circuit
Noun
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A circuit is a loop that normally starts and finishes in the same place.
They ran a circuit around the park.
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A circuit is a closed route where electricity flows.
The electric circuit can hold 20 amperes.