N any one of a group of elements including yttrium and the related lanthanides, holmium, erbium, thulium, ytterbium, and lutetium 钇属金属 [chem]
Yttrium metal powder金属钇粉;江西
metal yttrium金属钇
rare-earth metal yttrium稀土金属y
N（名词） any one of a group of elements including yttrium and the related lanthanides, holmium, erbium, thulium, ytterbium, and lutetium 钇属金属 [chem]