Gadolinite
[gædәlinait]
解释:
(noun.) a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium.
本杰明录入--From WordNet
解释:
(n.) A mineral of a nearly black color and vitreous luster, and consisting principally of the silicates of yttrium, cerium, and iron.
手打:维吉尔
解释:
n. a silicate of the yttrium and cerium metals containing also beryllium and iron.
录入:特伦特