Lightening

来自Big Physics
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wiktionary

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lightening

lightening


etymonline

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lightening (n.)

"the shedding of light," mid-14c., verbal noun from lighten (v.2). Meaning "alleviation of weight" (literal and figurative) is from 1520s, from lighten (v.1).

取自“https://www.bigphysics.org/index.php?title=Lightening&oldid=50973”