单词	nonluminous
释义	nonluminous adjective non·​lu·​mi·​nous ˌnän-ˈlü-mə-nəs  : not emitting light : not luminous The results also suggest this galaxy contains a substantial amount of nonluminous matter. I. Peterson a nonluminous celestial body Example Sentences Recent Examples on the Web The working assumption is that dark matter consists of nonluminous elementary particles, and that dark energy is the energy of space itself. Quanta Magazine, 23 Feb. 2022 All this points to the existence of a great, nonluminous, unseen mass. Ryan Bradley, Popular Science, 27 Oct. 2020 Ninety-five percent of all stuff takes mysterious, nonluminous forms dubbed dark matter and dark energy, which betray their presence in the cosmos by attracting and repulsing, respectively, the 5 percent of stuff that’s visible. Quanta Magazine, 4 Feb. 2019 Word History First Known Use 1825, in the meaning defined above
随便看	have to thank for have to thank for something have trouble sleeping have up have up one's sleeve have what it takes have with have written all over it have-not brown catechu brown citrus aphid brown coal brown coat brown coati brown creeper brown crowberry brown dog tick brown dragon brown duck brown dwarf brown dwarfs brown earth brown ebony brown fat brown felt blight

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