The scientist used a laser to cut metal.
科学家用激光切割金属。
A laser beam can travel long distances.
激光束可以传播很远的距离。
She underwent laser eye surgery last year.
她去年接受了激光眼科手术。
The concert featured an amazing laser show.
音乐会有一个精彩的激光表演。
They used a laser to measure the distance.
他们用激光测量距离。
The laser pointer is useful in presentations.
激光笔在演示中很有用。
The doctor used a laser to remove the tattoo.
医生用激光去除纹身。
He bought a new laser printer for the office.
他为办公室买了一台新的激光打印机。
The laser can precisely cut through materials.
激光可以精确地切割材料。
They demonstrated the laser technology at the expo.
他们在博览会上展示了激光技术。
laser printer
激光打印机
dye laser
染料激光器
laser gun
激光枪
laser beam
激光光束；激光束；激光波束
laser diode
激光二极管；雷射二极管；半导体激光
复数: lasers;
