英语词汇“actinon”的读音、翻译、释义、用法及例句-高考报名网

词汇	actinon
释义	actinon n.（名词 noun）【化】〔NFECD〕（氡的放射性同位素(19Rn);符号 An, 原子序号 86）
随便看	settee setter setter-on setterwort set theory setting setting board setting circle setting lotion setting needle setting point setting rule setting stick setting-up setting-up exercises settle settled settlement settlement day settlement house settlement worker settler settling settling day settling reservoir

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