释义 |
base metals短语⁴⁹⁰⁸³ 基本英英Thesaurus 普通金币原型basemetal的复数 名词 base metal: a metal that is common and not considered preciousas in.rare-earth element 同义词 native metal,noble metal,oxide,precious metal,rare earth,rare metal,rare-earth metal rare-earth elementnoun group of chemical elements base metal,native metal,noble metal,oxide,precious metal,rare earth,rare metal,rare-earth metal |