la
ser
复数形式
lasers
1
激光, 激光束
a device that produces a powerful and concentrated beam of light that can be used in medical procedures, for cutting metal objects, etc.
- The surgeon used a laser to precisely remove the tumor without damaging surrounding tissues.
外科医生使用激光精确地切除了肿瘤而没有损伤周围组织。
- In industrial settings, lasers are used for cutting and welding metals with high precision.
在工业环境中，激光用于高精度切割和焊接金属。
- Laser pointers emit a focused beam of light that is useful in presentations and demonstrations.
激光笔发射出聚焦的光束，在演示和展示中非常有用。
- The barcode scanner at the supermarket uses a laser to quickly read and process product information.
超市的条形码扫描器使用激光快速读取和处理产品信息。
- The barcode scanner at the checkout counter uses a laser to read and process information quickly.
收银台的条形码扫描器使用激光快速读取和处理信息。
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