| 单词 | dark matter |
| 释义 | dark matter (once / 32741 pages) n WORD FAMILY dark matter: dark matters USAGE EXAMPLESCurrent estimates are that dark matter outweighs our stuff by a factor of 10 to 20. The Guardian(Jan 01, 2017) So astronomers proposed that invisible dark matter must be providing the extra gravity needed to hold galaxies together. The Guardian(Dec 31, 2016) She published a collection of essays, “Bright Galaxies, Dark Matters,” in 1997. Washington Post(Dec 26, 2016) n (cosmology) a hypothetical form of matter that is believed to make up 90 percent of the universe; it is invisible (does not absorb or emit light) and does not collide with atomic particles but exerts gravitational force Hyper matter that which has mass and occupies space |
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