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单词
polonium
释义
po·lo·nium
BrE
/
pə
ˈləʊ
niəm
/
NAmE
/
pə
ˈloʊ
niəm
/
noun
[
U
]
(
symbol
Po
)
a
chemical
element
.
Polonium
is
a
radioactive
metal that is present in nature when
uranium
decays
钋(放射性化学元素)
随便看
taken care
taken effect
taken form
taken off
take no part in
take no part in sth
take no part of
take no part of sth
take note
take note of
take note (of sth)
taken place
taken root
taken shape
taken the bull by the horns
taken the cake
taken up
taken up with
taken with
take off
take off
take off
take off
take off
take off
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更新时间:2026/8/2 19:33:30