单词	berkelium
释义	berkelium noun berke·​li·​um ˈbər-klē-əm  : a radioactive metallic element produced artificially (as by bombarding americium 241 with alpha particles) see Chemical Elements Table Word History Etymology New Latin, from Berkeley, California First Known Use 1950, in the meaning defined above Medical Definition berkelium noun berke·​li·​um ˈbər-klē-əm  : a radioactive metallic element produced by bombarding americium 241 with helium ions —symbol Bk see Chemical Elements Table
随便看	split pulley split rail split rigger split ring split rivet split roof split run split scene split screen split seconds split session split shift split shot split shovel split skin split stitch split switch split T split t formation split the difference split the ticket split thumb split ticket split turning split up

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