英语词汇perfluor-的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	perfluor-
词根词缀	Webster perfluor- combining form or perfluoro- Etymology: International Scientific Vocabulary per- + fluor- : containing a relatively large amount of fluorine especially in place of hydrogen < perfluorooctane C₈F₁₈ >
随便看	doughty Douglas doula doul-, dulo-, dul- dour douse dove dovecote Dover dovetail dowager dowdy dowel dower Dow Jones down down- downbeat downcast downer downfall downgrade down-hearted downhill Downing Street

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