| 释义 | atomic number 71Thesaurus
 | Noun | 1. |  atomic number 71 - a trivalent metallic element of the rare earth group; usually occurs in association with yttriumLu, lutecium, lutetiummetal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. | 
 atomic number 71Related to atomic number 71: Cassiopeium
 Synonyms for atomic number 71noun a trivalent metallic element of the rare earth groupSynonymsRelated Words |