Gadolinium

[,gædә'liniәm]

解释:

(noun.) a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group.

卡特编辑--From WordNet

解释:

(n.) A supposed rare metallic element, with a characteristic spectrum, found associated with yttrium and other rare metals. Its individuality and properties have not yet been determined.

编辑:拉维恩