英语词汇“penumbra”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	penumbra
释义	penumbrapenumbra /pəˈnʌmbrə/ noun [countable] Etymology ETYMOLOGYpenumbra Origin: 1600-1700 Modern Latin Latin paene almost + umbra shadow science, physics a slightly dark area between full darkness and full light
随便看	Ivy League -ization -ize J jab jabber jacaranda jack jackal jackass jackboot jackbooted jackdaw jacket Jack Frost jackhammer jack-in-the-box jack-in-the-pulpit jackknife jack-of-all-trades jack-o'-lantern jackpot jackrabbit Jackson Jackson, Andrew

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