单词	actinide series
释义	actinide series noun : a series of heavy radioactive metallic elements of increasing atomic number considered to be analogous to the lanthanide series and to begin with actinium (89) or thorium (90) and end with element of atomic number 103 compare actinium series, periodic table Word History First Known Use 1945, in the meaning defined above
随便看	con man con moto con ointment con ottava con sentimento con sordino con spirito con trick con variazioni con- conacaste conacastes conacre conakries Conakry conakryes conakrys conal conalbumin Conan Doyle Conanicut Island Conant conaria conarial conarite

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