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

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	adulthood adv. advance advanced Advanced Placement advancement advancing advantage advantaged advantageous advantageously advent Advent calendar Adventist adventure adventurer adventurism adventurist adventurous adventurously adverb adverbial adversarial adversary adverse

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