单词	substorm
释义	substorm noun sub·​storm ˈsəb-ˌstȯrm  : a disturbance in the magnetosphere that manifests as increased activity in the aurora (see aurora sense 3) and that is caused by an influx of high-energy particles from the sun (as from a solar flare) Even when the sun is being well behaved, parcels of plasma shoot sporadically toward Earth's dark side, prompting a bright aurora and intensifying radiation belts. These events, called substorms, last only a few hours, but they occur several hundred times a year and are quite capable of disrupting satellites … Tim Beardsley Example Sentences Recent Examples on the Web Ninety seconds after the satellites sensed the substorm starting, ground observatories witnessed a Northern Lights display suddenly brighten and dance. Brandon Keim, WIRED, 24 July 2008 Word History First Known Use 1961, in the meaning defined above
随便看	come to pieces come to public notice come to rest come to someone's assistance come to someone's attention come to someone's defense come to someone's mind come to terms come to the conclusion come to the point come to the realization come to the rescue of come to think of it come to trial come to/into someone's mind come together come true come under come under attack come under fire come unglued come unstuck come up come up against come up dry

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