英语词汇“first contact, first contact of umbra”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	first contact, first contact of umbra
释义	first contact, first contact of umbra 初亏; 主要食相之一，月面和日面外切或月球与地球本影外切的现象。也常指此食相发生的时刻。
随便看	cycloheptaamylose-dansyl chloride cycloheptaamylose dansyl chloride cycloheptadecenone cycloheptadiene cycloheptadienes cycloheptaglucanase cycloheptamycin cycloheptane cycloheptanes cycloheptannulated cycloheptannulation cycloheptanol Cycloheptanols cycloheptanone cycloheptanone oxime cycloheptanones cycloheptaphane cycloheptaphanes cycloheptasulfur cycloheptatriene cycloheptatrienes cycloheptatrienylium cycloheptene cycloheptene carboxylic acids cycloheptenes

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