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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
italics
Italo-
Italy
itch
itchiness
itchy
it'd
-ite
item
itemize
itemized
item veto
iterate
iteration
iterative
itinerant
itinerary
-itis
it'll
it's
its
itself
itty-bitty
-itude
-ity
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更新时间:2025/2/23 4:25:50