相關(guān)單詞近義詞 rare-earth element 稀土元素, lanthanoid 鑭系元素, lanthanide [化]鑭系元素（原子序數(shù)..., lanthanon (=lanthanide...臨近詞rarebit, rare, rare earth orthoferrite, rare-earth manganites, rare-earth ion doping, rare-book restoration, Rare-earth element Ce, rare earth mine tailing, rare earth liquid laser, Rare-earth wastewater, rare-earth ferroalloy, rare felicity of phrase 返回 rare earth