lanthaniumWiktionary 原文英美词源链古希腊语Ancient Greek约前 1500–前 300 年λανθάνω‘to escape notice’↓ 派生英语Englishlanthanium词源说明From Ancient Greek λανθάνω (lanthánō, “to escape notice”), because it had gone long undetected in mineral ores; + -ium (“a chemical element”).释义名词noun1UKAlternative form of lanthanum.同族词派生词 1lanthanide