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单词 terbium metal
释义

WordReference Random House Unabridged Dictionary of American English © 2024
terbium met′al, [Chem.]
  1. Chemistryany of a subgroup of rare-earth metals, of which the cerium and yttrium metals comprise the other two subgroups.

Collins Concise English Dictionary © HarperCollins Publishers::
terbium metal n
  1. any of a group of related lanthanides, including terbium, europium, and gadolinium
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