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单词
thorium
释义
thor·ium
BrE
/
ˈθɔːriəm
/
NAmE
/
ˈθɔːriəm
/
noun
[
U
]
(
symbol
Th
)
a
chemical
element
.
Thorium
is
a
white
radioactive
metal
used
as
a
source
of
nuclear
energy
钍(放射性化学元素)
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更新时间:2026/8/27 11:47:55