universe
universe
noun
noun
- (the universe)all existing matter and space considered as a whole; the cosmos. The universe is believed to be at least 10 billion light years in diameter and contains a vast number of galaxies; it has been expanding since its creation in the big bang about 13 billion years ago
天地万物；宇宙（宇宙直径据信至少为10０亿光年，内含大量星系，大约在13０亿年前形成后一直在扩张）
■a particular sphere of activity, interest, or experience
（活动，兴趣，经验）领域；范围
the front parlour was the hub of her universe.
前厅是她的活动中心。
■(Logic 亦作 universe of discourse). another term for universal set
(逻)。 同 universal set
- late Middle English: from Old French univers or Latin universum, neuter of universus 'combined into one', 'whole', from uni- 'one' + versus 'turned' (past participle of vertere)
- Ancient and medieval philosophers followed the Ptolemaic system, which placed the earth at the centre of the universe with the celestial bodies orbiting it on idealized crystal spheres. It later gave way to the Copernican system, placing the sun at the centre. This was in turn displaced by the realization (due to William Herschel) that the Milky Way was a great host of stars, of which our sun was but one
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