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单词
neutron
释义
neutron
neu
tron
/
ˈnutrɑn
/
noun
[countable]
Etymology
ETYMOLOGY
neutron
Origin:
1900-2000
Probably from
neutral
science
,
physics
a
particle
that exists in the
nucleus
(=
central part
)
of an atom, and that has no electrical charge
→
electron
,
proton
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更新时间:2026/1/25 3:36:11