单词	lightning
释义	noun | adjective, adverb lightninglightning1 /ˈlaɪt˺nɪŋ/ ●●○ noun [uncountable] Etymology ETYMOLOGYlightning1 Origin: 1300-1400 lighten to become less dark Collocations COLLOCATIONS► struck by lightning  Two farmworkers were struck by lightning (=hit by lightning). 1 a powerful flash of light in the sky caused by electricity and usually followed by thunder:  Two farmworkers were struck by lightning (=hit by lightning).2like lightning extremely quickly:  The cat ran up the tree like lightning. noun | adjective, adverb lightninglightning2 adjective, adverb [only before noun] Collocations COLLOCATIONS► lightning quick  a lightning quick (=very fast) start ► at/with lightning speed (=extremely quickly) very fast, and often without warning:  a lightning quick (=very fast) startat/with lightning speed (=extremely quickly)
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