a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite
例句
用作名词 (n.)
Titanium is useful at low concentration only. 钛只在低浓度时起作用。
The Titanium Spork is ready for the challenge. 这个钛合金叉勺已经准备好应付挑战了。
The primary white pigment is titanium dioxide. 最重要的白色颜料是二氧化钛。