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单词 radiosodium
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ra•di•o•so•di•um  (rā′dē ō sōdē əm),USA pronunciation n. [Chem.]
  1. Chemistrythe radioactive isotope of sodium having an atomic mass of 24 and a half-life of 14.9 hours: used as a tracer in biochemistry.
  • radio- + sodium 1930–35

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