英语词汇“protoplanet”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	protoplanet
释义	WordReference Random House Unabridged Dictionary of American English © 2024 pro•to•plan•et (prō′tō plan′it),USA pronunciation n. [Astron.] Astronomythe collection of matter, in the process of condensation, from which a planet is formed. proto- + planet 1945–50
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