Englishfor English speakers
center
Noun
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The center of something, is the place that is as far from its outside as possible.
The president and his problems continue to take center stage in the news.
She placed a flowers at the center of the table and then hurried off.
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A center is a building, area, or group of people with a particular purpose.
They have opened a large shopping center in Taipei.
The team was staying at the US Olympic training center.
Recently, Bahrain has become a major international banking center.
Scientists at the Center for Disease Control have found a new virus.
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The town center is the place in the town where most of the shops are.
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In politics, the center is the position that is not politically right or left.
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In sports, a center is a player who plays in the middle of the field, usually an attacker.
center
Verb
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If you center something, you move it towards the center.
air
Noun
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Air is a mixture of gases. It has no color or odor (smell)
We breathe air to live.
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You put on airs when you act arrogantly.
The woman put on the airs in front of her friends.
air
Verb
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If you air something, you broadcast it, either over the radio, or on television.
Hurry! You'll miss the story about homeless children that is about to air on the local news!
tube
Noun
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A tube is a long object with a hole from one end to the other. The ends may be closed or open.
The high pressure forces the water through the tube.
Toothpaste comes in a tube.
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The Tube is the underground train system in London, England.
tube
Verb
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If you tube, you float on an inner tube.
We went white-water tubing on the Yukon River.