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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
trimester
trimmer
trimmings
Trinidad and Tobago
Trinidadian
trinity
trinket
trinomial
trio
trip
tripartite
tripe
triple
Triple A
Triple Alliance
triple covalent bond
Triple Entente
triple jump
triple play
triplet
triplex
triplicate
tripod
Tripoli
triptych
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更新时间:2024/9/20 10:58:46