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单词
promethium
释义
promethium
/preuh mee"thee euhm/
,
n. Chem.
a rare-earth, metallic, trivalent element.
Symbol:
Pm;
at. no.:
61.
[
1945-50; < NL; see PROMETHEUS, -IUM
]
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pseudoaesthetically
Eternal City, The
eternalize
eterne
eternity
eternize
etesian
etesian climate.
eth
-eth
Eth.
ethacrynic acid
ethal
ethambutol
Ethan
ethanal
ethane
Ethan Frome
Ethanim
ethanol
ethanolamine
ethchlorvynol
Ethel
Ethelbert
Ethelred II
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更新时间:2025/11/9 9:02:44