单词	catastrophe theory
释义	catastrophe theory noun : mathematical theory and conjecture that uses topology to explain events (such as an earthquake or a stock market crash) characterized by major abrupt changes Example Sentences Recent Examples on the Web Vogel reports that Stanley Ambrose of the University of Illinois, one of the originators of the Toba catastrophe theory, argues that layers of sand above the ash indicates climate change at the Pinnacles site and a decrease in population. Jason Daley, Smithsonian, 14 Mar. 2018 Word History First Known Use 1971, in the meaning defined above
随便看	blot blot on the escutcheon blot one's copybook blot out blotch blotched blotches blotchier eau de cologne eau de ja eau de javel eau de javel green eau de Javelle eau de nile eau de parfum eau de parfums eau de toilette eau de toilettes eau-de-vie eau-de-vie de marc eaus eaux eaux de cologne eaux de javelle eaux de nile

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