单词	cantus firmus
释义	cantus firmus noun cantus fir·​mus -ˈfir-məs  -ˈfər- 1 : the plainsong or simple Gregorian melody originally sung in unison and prescribed as to form and use by ecclesiastical tradition 2 : a melodic theme or subject especially : one for contrapuntal treatment Word History Etymology Medieval Latin, literally, fixed song First Known Use 1761, in the meaning defined at sense 1
随便看	sinapic acid sinapine sinapis sinapises sinapisms sinapisses sinarchism sinarchist sinarchists Sinarquism sinarquismo sinarquist Sinarquista sinarquists Sinatra sinay bean Sinbad sincamas since since (the) year dot since (the) year one since that time since the year dot since the year one since then

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