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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
belittle
Belize
bell
belladonna
Bell, Alexander Graham
bell-bottomed
bell bottoms
bellboy
bell curve
belle
belles lettres
belle époque
bellhop
bellicose
bellicosity
-bellied
belligerence
belligerent
bellow
bell pepper
bell ringer
bell ringing
bellwether
belly
bellyache
英语词典包含48224条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
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更新时间:2026/6/18 14:43:01