plutonic mineral
常见例句
- A mineral consisting of titanium dioxide in crystalline form; occurs in metamorphic and plutonic rocks and is a major source of titanium.
一种含有二氧化钛的矿物，呈晶体状，见于变质岩和火成岩中，是钛的主要来源。 - A weakly magnetic black mineral found in metamorphic and plutonic rocks; an iron titanium oxide in crystalline form; a source of titanium.
一种具有弱磁性的黑色矿物，见于变质岩和火成岩中，晶体状铁钛氧化物，是钛的来源。 返回 plutonic mineral