| 单词 | micrometeoroid |
| 释义 | micrometeoroid (once / 1313257 pages) n WORD FAMILY micrometeoroid: micrometeoroids+/meteor: meteoric, meteoroid, meteors, micrometeor/meteoric: meteorically/meteoroid: meteoroids/micrometeor: micrometeoric, micrometeoroid USAGE EXAMPLES"What's happened to that after 45 years in the space environment? Is it like new or in shreds from micrometeoroids?" he asks. Science Magazine(Dec 22, 2016) Lunar dust consists of rock pulverised to the consistency of talcum powder by micrometeoroid impacts. Economist(Nov 10, 2016) The Soyuz also boasts more photovoltaic cells on its solar panels, which will provide added power, and additional shielding against micrometeoroid debris. The Verge(Jul 06, 2016) n a meteorite or meteoroid so small that it drifts down to earth without becoming intensely heated in the atmosphere Syn|Hyper micrometeor, micrometeorite meteorite stony or metallic object that is the remains of a meteoroid that has reached the earth's surface |
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