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单词
promethium
释义
promethium
n. Chem. a radioactive metallic element of the lanthanide series occurring in nuclear-waste material.
Usage
Symb.: Pm.
Etymology
: Prometheus: see PROMETHEAN
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aggravate
aggregate
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aggressive
aggressor
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aggro
aghast
agile
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aging
agio
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agitation
agitato
agitator
agitprop
aglet
agley
aglow
AGM
agma
provident
providential
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更新时间:2025/12/22 11:23:24