| 单词 | micrometeor |
| 释义 | micrometeor (once / 787955 pages) n WORD FAMILY micrometeor: micrometeoric, micrometeoroid+/meteor: meteoric, meteoroid, meteors, micrometeor/meteoric: meteorically/meteoroid: meteoroids/micrometeoroid: micrometeoroids USAGE EXAMPLESIt must have been a micrometeor of high density and tremendous velocity. Schelling, George Luther, Last Resort(2010) Signals-and-detection was getting a lot of routine stuff—Van Allen count, micrometeor count, surface temperature, gravitation-field strength, radar and scanner echoes. Piper, H. Beam, Space Viking(2010) n a meteorite or meteoroid so small that it drifts down to earth without becoming intensely heated in the atmosphere Syn|Hyper micrometeorite, micrometeoroid meteorite stony or metallic object that is the remains of a meteoroid that has reached the earth's surface |
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