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单词	regolith
释义	regolith /ˈrɛɡəlɪθ / noun [mass noun] Geology The layer of unconsolidated solid material covering the bedrock of a planet.The surface of the Moon is covered by a soil layer called regolith, which has been produced by meteorite impact.... Alteration of the bedrock produces a regolith, the base of which is known as the weathering front. The Moon's crust is composed of a material known as regolith. Origin Late 19th century: from Greek rhēgos 'rug, blanket' + -lith.
随便看	on account of on (a) collision course on a dime on a full (or an empty) stomach on-again off-again onager onagraceous onagrad on-air on a level with Onam on and off on and on on an empty stomach on an even keel onanism onanist onanistic onanistically on a par with on a plate on approval on a promise on a roll on a (silver) platter

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