rare old异乎寻常的, 极度的rareadj.罕见的；珍贵的；煎得嫩的Rare earth fluorescence complexes稀土荧光络合物rare earth luminescence materials稀土发光材料rare earth elements in agriculture农用稀土Rare Fossil of Pregnant Rhinoceros罕见的怀孕犀牛化石rare-- earth doping manganites稀土掺杂锰氧化物rare earth complex heat stabilizer稀土复合热稳定剂rare-earth luminescent materials稀土发光材料rare- earth luminescent material稀土发光材料Rare /Medium /Well done?rare earth hydrogen storage alloys稀土系贮氢合金