dud
US /dʌd/
UK /dʌd/
名詞
1.
不発
something that has no value or that does not work:
例:
•
Are there any more batteries? This one's a dud.
形容詞
1.
不発
not working or not having any value:
例:
•
A customer had tried to pay with a dud check (= one for which a bank will not give money).
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