单词	pi electron
释义	pi electron noun : an electron involved in a pi bond Word History First Known Use 1950, in the meaning defined above
随便看	sarins saris sark sarkese sarkful sarkfuls sarkier sarkiest sarking sarkings sarkinite sarkit Sarkozy sarks sarlak sarlyk Sarmatia sarmatian sarmatians sarmatier sarment sarmenta sarmentaceous sarmentas sarmentiferous

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