基本解释铁镁齐同根派生 英汉例句Any of several intermediate igneous rocks constituting feldspar and ferromagnesium minerals that occur as dikes and minor intrusions. 煌斑岩任一种含有长石和铁镁矿物中型的黑色岩石，呈现为岩脉或侵入岩ferromagnesium sulfate 硫酸铁镁