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单词
radioiron
释义
WordReference Random House Unabridged Dictionary of American English © 2024
ra•di•o•i•ron
(rā′dē ō ī
′
ərn),
USA pronunciation
n.
[
Chem.
]
Chemistry
the radioactive isotope of iron, with atomic weight 59 and a half-life of 46 days: used chiefly as a tracer in biochemistry.
radio
- +
iron
1955–60
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更新时间:2025/7/24 20:56:40