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单词 triatomic
释义

WordReference Random House Unabridged Dictionary of American English © 2024
tri•a•tom•ic  (trī′ə tomik),USA pronunciation adj. [Chem.]
  1. having three atoms in a molecule.
  2. having three replaceable hydrogen atoms.
  3. having three replaceable hydroxyl groups.
  • tri- + atomic 1860–65
tri′a•tom i•cal•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::
triatomic /ˌtraɪəˈtɒmɪk/ adj
  1. having three atoms in the molecule
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