beam of light

英 [biːm ɒv laɪt]

美 [biːm əv laɪt]

光束

医学

英英释义

noun

• a column of light (as from a beacon)
  Synonym:beamlight beamrayray of lightshaftshaft of lightirradiation

双语例句

• A beam of light passing through it is brought to a point or focus.
  光束通过它时能够汇聚成一点。
• He visualized what it would he like to ride on the end of a beam of light.
  他做了“思想实验”。他想象自己可以跑的像光一样快。
• This is what you see when you break up a beam of light with a prism.
  这就是你用棱镜分解一束光时所看到的东西。
• The scientist in the blue ship sees his beam of light go straight up and come straight down.
  蓝色飞船里的科学家看到自己的那束光线从下面垂直地射到上面，然后又垂直地返回到下面。
• A beam of light generated by a laser.
  由激光器发出的一束光。
• Reflection of a beam of light on the diaphragm falls on a phototransistor.
  经膜片反射的光束照射到光敏管上。
• A plastic film that can polarize a beam of light; often used in sunglasses to eliminate glare.
  可以使光束偏振的一种塑料薄膜；使用时通常戴着太阳镜来挡住耀眼的光。
• Where there is nothing in the path of the beam of light, nothing is seen.
  如果光束轨迹上没有东西，就什么也看不出来。
• As the labeled DNA flows through the channel, it passes over a very narrowly focused beam of light.
  当标记的DNA从这个通道流过，它经过一个非常窄的会聚光束。
• Look, there's a beam of light coming through the thick fog.
  瞧，浓雾里射出了一道光线。