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单词
promethium
释义
promethium
/prəˈmi:θiəm/
n. Chem.
a radioactive metallic element of the lanthanide series occurring in nuclear-waste material (symbol
符
Pm
)
【化】
(
化学元素
)
钷
[
Prometheus
: see PROMETHEAN]
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更新时间:2026/4/21 21:38:12