释义 |
rare metals短语¹⁴⁴⁹⁷²⁺² 基本Thesaurus 稀有金属 as in.rare-earth element 同义词 base metal,native metal,noble metal,oxide,precious metal,rare earth,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 |