| 释义 |
DEFINITIVE EXAMPLES 权威例句〔lamprophyre〕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美国传统〔mafic〕Containing or relating to a group of dark-colored minerals, composed chiefly of magnesium and iron, that occur in igneous rocks.铁镁质的:含有或与一组深色矿物有关的,主要由镁和铁组成,出现在火成岩中的美国传统 |