仪器

例句：

1. 1. The scientist used a microscope to examine the sample.
   科学家使用显微镜来检查样本。
2. 2. The engineer designed a new type of machine for the factory.
   工程师为工厂设计了一种新型机器。
3. 3.The doctor uses an X-ray to diagnose the patient's condition.
   医生用X光来诊断病人的状况。