英文英文字典
英文英文字典
古腾堡计划中的在线英语-英语词典
结果
Titanium的结果
Titanium
(n.)
An elementary substance found combined in the minerals
manaccanite, rutile, sphene, etc., and isolated as an infusible
iron-gray amorphous powder, having a metallic luster. It burns when
heated in the air. Symbol Ti. Atomic weight 48.1.