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

• 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。
• 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。
• 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 light source with reflectors that projects a beam of light in a particular direction.
  装有能投射到某一特定方向一束光的反射镜的灯。
• 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。
• In a laser printer, a device that uses a modulator crystal to deflect a beam of light and effectively turn it on or off.
  在激光印刷机中的一种装置，它利用一块调制晶体使光束偏转并将其接通或断开。
• The beam of light is attracted by gravity and follows a curved path rather than a straight line.
  光束受引力吸引，不沿直线而沿弯曲路线传播。
• 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。
• A device for projecting a beam of light.
  用来投射光束的装置。
• 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。