laser host

例句：

1. 1. The laser printer is the most efficient way to print documents.
   激光打印机是打印文档最高效的方式。
2. 2. The laser scanner can quickly and accurately capture images.
   激光扫描仪可以快速而准确地捕捉图像。
3. 3.The laser beam is used in various applications, including medical imaging.
   激光束在各种应用中都有使用，包括医疗成像。