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单词
radon seed
释义
radon seed
Chemistry
noun
A short tube containing radon, used (especially formerly) in radiotherapy as a source of alpha radiation.
Origin
1920s
.
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avifauna
avifaunal
Avignon
avionics
avirulent
avision
aviso
avitaminosis
Aviv
avizandum
AVM
avo
avocado
avocado pear
avocation
avocational
avocet
Avogadro, Amedeo
Avogadro's constant
Avogadro's hypothesis
Avogadro's law
Avogadro's number
a voice in the wilderness
avoid
avoidable
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更新时间:2024/12/23 21:13:07