| 单词 | bastnasite |
| 释义 | bastnasite (extremely rare) n WORD FAMILY bastnasite USAGE EXAMPLESThe principal ore mineral turned out to be canary-yellow bastnasite, the same mineral that harbors most of the world and U.S. rare earth reserves. Scientific American(Sep 29, 2011) n a yellow-to-brown mineral that is a source of rare earth elements Syn|Hyper bastnaesite mineral solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
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