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uranium 239
释义
WordReference Random House Unabridged Dictionary of American English © 2024
uranium 239,
[
Chem.
]
Chemistry
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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cupid's arrows
cupid's bow
cupid's-dart
cuplike
cup of elijah
cup of tea
cupola
cupolaed
cupolated
cuppa
cupped
cupper
cupping
cupping glass
cup plant
cuppy
cupr-
cuprammonium
cupreous
cupressus
cupri-
cupric
cupric hydroxide
cupric sulfate
cupriferous
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更新时间:2026/11/5 12:38:51