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	automorphism of a sesquilinear form automorphism of block design automorphism of group automorphism of module automorphism partitioning automorphisms automorphogenesis automorphosed automorphosis automorphotropy automorphous automorphous process automorphous soil automorphy automotic frequency response automotive automotive aerodynamics automotive air conditioning automotive alterator automotive alternator automotive and tv electronics automotive application automotive axle housing tube automotive battery automotive body

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