mafelsic的音标：mafelsic的英式发音音标为：['mæfəlsɪk]mafelsic的美式发音音标为：['mæfəlsɪk]...

n.镁铁硅质...

Felsic gneiss is the most widely distributed rock type in Archean metamorphic complex areas.长英质片麻岩是太古宙变质杂岩区最主要的岩石类型.Both the eclogite and the felsic gneiss have not undergone the same high - pressure metamorphic event.榴辉...

felsic的音标：felsic的英式发音音标为：['felsɪk]felsic的美式发音音标为：['felsɪk]...

n.长英矿物...