请输入您要查询的英文单词：
单词
dud
释义
dud
1
NOUN
C
/dʌd/
1
informal
someone or something that is very disappointing 令人失望的人；不中用的东西
2
a bomb or other explosive object that fails to explode 未爆炸的炸弹；未爆炸的炮弹；哑弹