testing aeroplane

例句：

1. 1. The engineer is testing the new machine for accuracy.
   工程师正在测试新机器的准确性。
2. 2. The scientists are conducting a thorough examination of the data.
   科学家们正在对数据进行彻底的审查。
3. 3. The car was thoroughly tested before being put on the market.
   这辆车在上市前经过了彻底的测试。