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烏
1
uranium (U)
Examples
ウラニウムは原子力製造に用いられる。
Uranium is used in the production of nuclear power.
1
glossy black (hair); color of a crow with wet feathers
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wild oat (Avena fatua); wild oats
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oat (Avena sativa); oats
1
to be burned to ashes; to come to nothing
Examples
長年の努力が烏有に帰した。
Years of effort came to nothing.
1
Idiomatic expression
something indistinct; a crow in a pitch-black night
