sample light beam

例句：

1. 1.The engineer used a sample light beam to test the new material.
   工程师使用一个样本光束来测试新材料。
2. 2.During the experiment, the scientist observed the sample light beam's trajectory.
   在实验中，科学家观察了样本光束的轨迹。
3. 3. The team successfully captured the sample light beam and sent it back to headquarters.
   团队成功地捕获了样本光束并将其发送回总部。