LAS

例句：

1. 1. 名词：激光
   Laser
2. 3. 例句：1. The laser beam is directed towards the target.
   激光束被指向目标。
3. 2. She used a laser pointer to highlight the text on the screen.
   她用激光笔在屏幕上突出显示文本。
4. 3. The laser scanner can quickly and accurately map out the terrain.
   激光扫描仪可以快速且准确地测绘地形。