defect是可数名词，defects的中文意思是n. 缺点；瑕疵；不合格品（defect 的复数）

There was no positive evidence that any birth defects had arisen as a result of Vitamin A intake.没有确凿证据表明摄入维生素A会导致先天缺陷。

A hearing aid helps to overcome defects in hearing.

defect是可数名词。

She set to work to correct all her defects .

她开始努力弥补这些不足。

There are still some defects in our work .

我们工作中还有不少毛病。

We thought that his troops might defect .

我们认为他的部队会叛变。

The defect of these cloths is clash of colours .

这几种布的缺点是颜色不调和。

The gut will pass through the defect into the chest .

肠管可经过缺损进入胸腔。

defect是欺骗的意思 是不可数名词。