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单词
radium
释义
radium
/ˈreidiəm/
n. Chem.
a radioactive metallic element present in pitchblende and other uranium ores, used esp. in luminous materials and in radiotherapy (symbol
符
Ra
)
【化】
(
化学元素
)
镭
[Latin
radius
‘ray’]
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sandpit
Sandra
sand-shoe
sand-skipper
sandsoap
sand spurrey
sandstock
sandstone
sandstorm
sandwich
sandwich-board
sandwich course
sandwich-man
Sandwich tern
sandwort
Sandy
sandy
sand yacht
sandy blight
sandyish
sane
sanely
saneness
Sanforized
San Francisco
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更新时间:2025/2/25 15:01:42