universe
/ˈjuːnɪvɜːs/noun
1the 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（其直径据信至少为100亿光年, 内含大量星系, 大约在130亿年前的“大爆炸”中形成后一直在扩张）。
1.1
- a particular sphere of activity, interest, or experience（活动, 兴趣, 经验的）领域, 体系, 范围：
the front parlour was the hub of her universe.
前厅是她的活动中心。
1.2
- （Logic 亦作 universe of discourse）another term for UNIVERSAL SET.【逻】同UNIVERSAL SET.
词源
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）.