英语词汇“oao”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	oao
释义	WordReference Random House Unabridged Dictionary of American English © 2024 OAO, Aerospace[U. S. Aerospace.]Orbiting Astronomical Observatory: one of a series of scientific satellites that studied astronomical phenomena at ultraviolet and x-ray wavelengths.
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