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单词
proton
释义
proton
pro
ton
/
ˈproʊtɑn
/
noun
[countable]
Etymology
ETYMOLOGY
proton
Origin:
1800-1900
Greek
first thing
, from
protos
; ➔
PROTO-
science
,
physics
a
particle
that exists in the
nucleus
(=
central part
)
of an atom, and that has a positive electrical charge
→
electron
,
neutron
随便看
the mentally handicapped
theme park
theme party
themselves
then
thence
thenceforth
the needy
theo-
theocracy
theocrat
theocratic
theologian
theological
theologically
theological seminary
theology
theophylline
the oppressed
theorem
theoretical
theoretically
theoretical yield
theorist
theorize
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更新时间:2025/11/22 22:23:58