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Từ điển Oxford Learners Wordfinder Dictionary
bastnasite
a yellow-to-brown mineral that is a source of rare earth elements • Syn: bastnaesite • Hypernyms: mineral • Substance Meronyms: cerium, Ce, atomic number 58, neodymium, Nd, Nd, praseodymium, Pr, atomic number 59, samarium, Sm, atomic number 62
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