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	extraembryonic coelom, exocoelom extraembryonic ectoderm extraembryonic endoderm extra-embryonic endothelium extraembryonic endothelium extraembryonic field extraembryonic membrane extra-embryonic membrane extraembryonic membranes extra-embryonic membranes Extraembryonic mesoblast extraembryonic mesoderm extra-embryonic mesoderm extra-embryonic somatopleure extraembryonic somatopleuric mesoderm extra-embryonic splanchnopleure extraembryonic splanchnopleuric mesoderm extraembryonic vessel extraemtryonal mesoblastoma extra ends extra enhancement ratio extra entropy production extraenzymatic extraepicardial extra-epicardial

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