eschynite
易解石
词形变化
eschynites
复数
eschynites
释义与例句
n.
-
1.
A rare mineral, containing chiefly niobium, titanium, thorium, and cerium.
不可数 化学 地质
词源
Ancient Greek shame (because chemical science was unable, at the time of its discovery, to separate some of its constituents).
来源:wiktionary