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.
一種含有二氧化鈦的鑛物，呈晶躰狀，見於變質巖和火成巖中，是鈦的主要來源。 - A weakly magnetic black mineral found in metamorphic and plutonic rocks; an iron titanium oxide in crystalline form; a source of titanium.
一種具有弱磁性的黑色鑛物，見於變質巖和火成巖中，晶躰狀鉄鈦氧化物，是鈦的來源。 返回 plutonic mineral