英语词汇“sagan carl edward”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	sagan carl edward
释义	Sagan Carl Edward Sa·gan S0018900 (sā′gən), Carl Edward 1934-1996. American astronomer noted for research on the possibility of extraterrestrial life and for speculation on the severity of a nuclear winter. His books include Dragons of Eden (1977).
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Sagan Carl Edward