retest of materials

例句：

1. 1. The company decided to retestthe product after receiving feedback from customers.
   公司在收到顾客反馈后决定重新测试产品。
2. 2.The teacher asked us to retest ouranswers before submitting them.
   老师要求我们在提交答案前重新测试我们的答案。
3. 3. After retesting the data, we found that therewere some errors in the original results.
   在重新测试数据后，我们发现原始结果中有一些错误。