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单词
radiotracer
释义
WordReference Random House Unabridged Dictionary of American English © 2024
ra•di•o•trac•er
(rā
′
dē ō trā′sər),
USA pronunciation
n.
[
Chem.
]
Chemistry
a radioactive isotope used as a tracer.
radio
- +
tracer
1945–50
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更新时间:2025/7/23 21:32:53