请输入您要查询的英文单词:
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)
随便看
evenness
evenness'
evennesses
evennesses'
evenness's
even now
even now/then
even out
even out
even-out
even out sth
evens
evens
even so
even somethingout
evensong
evensongs
evens out
evens-out
even sth out
even sth up
even sth↔out
even sth↔up
event
evented
英汉双解词典包含314281条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。
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更新时间:2026/4/13 2:02:26