dud

听听怎么读

英 [dʌd]

美 [dʌd]

是什么意思

[军]哑弹；无用的人或物；衣服，个人物品；

adj.

无用的；不完善的；

变形

复数：duds

英英释义

dud[ dʌd ]

n.
- someone who is unsuccessful
  同义词：flopwashout
- an explosion that fails to occur
  同义词：misfire
- an event that fails badly or is totally ineffectual
  "the meeting was a dud as far as new business was concerned"
  同义词：turkeybomb
adj.failing to detonate; especially not charged with an active explosive
"he stepped on a dud mine"

学习怎么用

双语例句

用作形容词(adj.)

How can we be expected to carry out our jobs with the dud equipment you gave us?
你怎么能指望我们用这些你给的烂设备来完成工作呢？

用作名词(n.)

During yesterday's sham battle, party A fired a dud.
昨天的军事演习，甲方放了一个哑炮。
This battery is a dud.
这电池是废的。
The new manager is a complete dud.
新经理完全是个废物。
The whole plan turned out to be a dud.
整个计划到头来完全失败了。
Two of the fireworks in the box were duds.
盒子里的烟火有两个是坏的。

权威例句

Dud, A Derivative-Free Algorithm for Nonlinear Least Squares
Directory of useful decoys, enhanced (DUD-E): better ligands and decoys for better benchmarking
Dud of an Opener for Penguins
In-camera dud image management
FieldScreen: virtual screening using molecular fields. Application to the DUD data set
Comprehensive Comparison of Ligand-Based Virtual Screening Tools Against the DUD Data set Reveals Limitations of Current 3D Methods
Comparison of ligand- and structure-based virtual screening on the DUD data set.
Induction of traps by Ostertagia ostertagi larvae, chlamydospore production and growth rate in the nematode-trapping fungus Duddingt...
Filter material construction and method
Structure of a Mitochondrial Supercomplex Formed by Respiratory-Chain Complexes I and III