n. 缺点；瑕疵；不合格品（defect的复数）

n an imperfection in a bodily system
n a failing or deficiency
n an imperfection in an object or machine
n a mark or flaw that spoils the appearance of something (especially on a person's body)
v desert (a cause, a country or an army), often in order to join the opposing cause, country, or army

defects的用法和样例：

例句

Checked the brakes and lights for defects; checked out the system to make sure there were no errors in the software.检查刹车和车灯有没有毛病; 对系统进行检查以确保软件没有任何错误
The house has all these defects because it was built by cowboy.这所房屋有这麽多毛病，其原因就在於承建者都是滑头。
Earlier a Presidential commission ... probed the market's structure for defects and came up with a laundry list of weaknesses with program trading in the forefront.前些时一个总统授命成立的委员会探究［股票］市场的结构，以便找出缺点。结果毛病一箩筐，其中以程式交易为最显著的缺点。
The house has all these defects because it was built by cowboys.这所房屋有这麽多毛病，其原因就在於承建者都是滑头。

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