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单词
uranium 239
释义
uranium 239
Chem.
the uranium isotope with a mass number 239. It is artificially produced by the neutron bombardment of uranium 238. Also called
U-239, U 239
.
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eparch
eparchy
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epaulette tree
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epenthesize
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epexegesis
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eph-
Eph.
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ephemeral
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更新时间:2025/11/20 4:05:28