英语词汇“dark matter”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	dark matter
释义	WordReference Random House Unabridged Dictionary of American English © 2024 dark′ mat′ter, Physicsa hypothetical form of matter invisible to electromagnetic radiation, postulated to account for gravitational forces observed in the universe. 1985–90 Collins Concise English Dictionary © HarperCollins Publishers:: dark matter n matter known to make up perhaps 90% of the mass of the universe, but not detectable by its absorption or emission of electromagnetic radiation
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