During the warranty period, product determined by us to be defective in form or function will be repaired or, at our option, replaced at no charge.

在保修期内，由我们认定在外形或功能方面存在缺陷的产品将被返修，或者由我们选择是否需要免费更换。

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HUAHE guarantee to supply free replacement parts to any defective of HUAHE product which proved to be defective in material or workmanship when under proper operation during warranty period.

确认由于制造或材料不良等原因发生故障的任何零、部件都将免费提供更换件。

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Poor digestion can be caused by defective mastication of the food in the mouth.

消化不良可能是因为嘴里的食物没有完全嚼碎而引起的。

《柯林斯英汉双解大词典》

Fisher notes that not every stutterer in the Drayna study had the defective gene, meaning there must be a number of other genes tied to stuttering.

VOA: standard.2010.02.11

It could be a gene that, defective in some way, predisposes a person to disease.

FORBES: A hail of silver bullets

In people with defective immune systems, the normally mild infection can be severe, so eradicating smallpox not only saved people from smallpox but from needing the vaccine (it is still used in specialized settings such as the military).

FORBES: A Pox On Your House? How Fighting One Disease Brought Back Another

So thousands of juries will be presented half a case, in essence, with some issues like whether cigarettes are defective and dangerous beyond their ability to decide.

FORBES: After Losing In Florida, R.J. Reynolds Has Limited Options On Tobacco Cases