caryocerite钍: thorium稀土: tombarthite; rare earth矿: ore deposit黑稀土矿: melanocerite铝黑稀土矿: alumomelanocerite下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:钍黑稀土矿,即可在微信中查询翻译