单词	Sagan, Carl
释义	Carl Sagan /ˈseɪɡ(ə)n / (1934–96), American astronomer; full name Carl Edward Sagan. Sagan showed that amino acids can be synthesized in an artificial primordial soup irradiated by ultraviolet light—a possible origin of life on the earth. He wrote several popular science books, and was co-producer of the television series Cosmos (1980).
随便看	point defect point de repère point d'esprit point-device point-devise point discharge point discharger point d'orgue point duty pointe pointed pointed arch pointed blanket pointed fox pointedly pointedness pointel point element pointelle Pointe-Noire pointer pointer finger pointer-reading Pointers pointe shoe

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