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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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xiphisternum
xiphoid
xiphosuran
xis
xizang
xizang autonomous region
xl
x-line
x-linked
xmas
xml
xn.
xn
xnty.
xnty
xoanon
xochimilco
xor
xosa
xp
x pr
xq
xr
x-radiation
x-rated
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更新时间:2026/2/9 9:08:22