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laser pointer

  • 激光笔：一种设备，可以发射高度集中的光束，以突出显示一定距离内的感兴趣的物品。

双语例句

  1. If you do it the other way, it becomes a stylus tip and in another way, it becomes a laser pointer.
    如果你以另一种方式转动它，它就变成一支触控笔，再换一种方式转动，它就变成一支激光笔。
  2. Since we have my red laser pointer, we will also try with the red laser pointer, which is centered at wavelength of 700 nanometers.
    因为我们有我的红色激光笔，我们也会尝试红色激光笔，它的中心波长是 700 纳米。
  3. I need my laser pointer.
    需要我的激光棒。

网络短语

  • Software laser pointer
    虚拟激光指针；虚拟激光指示
  • Laser Pointer Function
    激光教鞭功能
  • diode laser pointer
    二极激光指示器
  • green laser pointer
    绿色激光笔；指星笔；绿光激光笔
  • Red Laser Pointer
    红光激光笔

同义词

laser bar
激光教鞭，激光棒；雷射指示器

英英释义

  • A laser pointer or laser pen is a small handheld device with a power source (usually a battery) and a laser diode emitting a very narrow coherent low-powered laser beam of visible light, intended to be used to highlight something of interest by illuminating it with a small bright spot of colored light. Power is restricted in most jurisdictions not to exceed 5 mW.