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单词
radon
释义
radon
BrE
/
ˈreɪ
dɒn
/
NAmE
/
ˈreɪ
dɑːn
/
noun
[
U
]
(
symbol
Rn
)
a
chemical
element
.
Radon
is
a
radioactive
gas
used
in
the
treatment
of
diseases
such
as
cancer
氡(放射性化学元素)
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villainousness
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villainy
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villaless
villalike
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vim
vimful
vims
vinaigrette
vinaigrettes
Vincentian
vincentians
vindaloo
vindaloos
vindicability
vindicate
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更新时间:2026/8/24 4:31:42