Englishfor English speakers
millennium
Noun
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A millennium is a period of time lasting one thousand years.
Mankind invented the first writing systems a few millennia ago.
Lots of animal species have disappeared during the last millennium.
summit
Noun
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The summit of a mountain is located at the highest point of it.
They aim of the mountaineers is to reach the summit of
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A summit is a gathering or assembly of leaders.
They met for an international summit on environmental issues.