音标：[di'fekt] ；柯林斯词典等级：2 级；

n. 缺点
[医] 缺损, 缺陷

n. an imperfection in a bodily system
n. a failing or deficiency
n. an imperfection in an object or machine
v. desert (a cause, a country or an army), often in order to join the opposing cause, country, or army

词型变化：名词复数形式 : defects ; 过去式 : defected ; 过去分词 : defected ; 现在分词 : defecting ; 第三人称单数 : defects
考试类型：[四级/六级/考研/托福/IELTS/GRE]

词性分布：

名词81%

动词19%

defect的用法和样例：

例句

用作名词(n.)

If it were not for this defect, I shall hire him at once.如果不是因为这个缺点，我会马上雇用他。
The new car had to be withdrawn from the market because of a mechanical defect.那种新汽车因有机械缺陷只好撤出市场。

用作不及物动词(vi.)

We thought that his troops might defect.我们认为他的部队会叛变。

常见句型

用作名词(n.)

We must correct our defects as soon as possible.我们必须尽快纠正我们的缺点。
With all its defects the little play has a real charm.尽管有许多不足之处,这出小戏仍颇具魅力。
I bought the cloth cheap because there is a small defect in it.这布我买得便宜，因为上面有个小疵点。
He has some defects in his eyesight.他的视力有缺陷。

常用短语

用作动词(v.)

defect from( v.+prep. )

The politician defected from his own party and joined the opposition.

这个政客叛离了自己的政党而投向了对立的一方。

defect to( v.+prep. )

Many writers, threatened with imprisonment,have defected to the West.

由于有被监禁的威胁,许多作家投向了西方国家。

词汇搭配

用作名词 (n.)

动词+～

correct defect纠正缺点
cure defect矫正缺陷
develop defect产生缺点
exhibit defect表现出缺点，显示出不足
have defect有缺点
inherit defect接受遗传下来的缺点
make up the defect弥补缺陷
obviate defect消除缺陷
point out defect指出缺点
possess defect具有缺点
remedy defect纠正缺点
repair defect补救欠缺
suffer from defect受缺点的影响

名词+～

birth defect不正常发育
character defect性格上的缺点
eye defect眼睛有毛病
speech defect语言发育异常

介词+～

in defect缺乏

～+介词

defect in在…方面的缺陷
defect in character性格上的缺陷
defect in eyesight视力不佳
defect in system of education教育制度上的缺点
defect in the transmission无线电播送上有毛病
defect of handwriting书写的毛病

经典引文

The excess of scepticism and the defect of enthusiasm.
出自：J. Morley
Your wife defected...Your wife is working for the bloody Russkies.
出自：L. Deighton

【近义词】

flaw瑕疵
imperfection不完美
blemish瑕疵
fault缺点
shortcoming缺点
failing失败
weakness软弱
deficiency缺乏
desert沙漠
change sides投到对方去
abscond潜逃
go over检查
turn traitor变成叛徒
decamp(士兵)离营
foible小缺点
bubble气泡
mar破坏

【反义词】

merit优点

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单词：defect