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单词
positronium
释义
pos·i·tro·ni·um
(p
ŏ
z
′
ĭ
-tr
ō
n
ē
-
ə
m)
n.
A short-lived association of an electron and a positron bound together in a configuration resembling the hydrogen atom.
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PUFA
puff
puff adder
puffball
puffed-up
puffer
pufferfish
puffery
puffily
puffin
puffiness
puff pastry
puffy
pug
pug
pug
pug
pugaree
Puget Sound
puggaree
puggle
puggle
pugilism
pugilist
pugilistic
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更新时间:2025/10/29 23:00:37