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单词
beta ray
释义
beta ray
n.
(名词)
A stream of beta particles, especially of electrons.
β射线:一束β粒子,主要为电子
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Uruapan
Urubamba
Uruguay
Uruguay River
urus
uruses
urushiol
urushiols
us
us
us
us.
US.
u's
USA
usable
USAF
USAFI
usage
usages
usance
usances
USAR
dom.
Dom.
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更新时间:2026/3/2 6:18:07