beam of light
英 [biːm ɒv laɪt]
美 [biːm əv laɪt]
光束
英英释义
noun
- a column of light (as from a beacon)
双语例句
- 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。 - A beam of light generated by a laser.
由激光器发出的一束光。 - In electron microscopes a beam of electrons instead of a beam of light is directed onto the specimen.
在电子显微镜下，常使用一束电子光而不是普通光线来为标本照明。 - A beam of light produced by a laser can weld metals.
激光器发生的光束可以焊接金属。 - 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。 - He directed the tiny beam of light at the roof.
他把那一小束光对准了屋顶。 - An analogy to demonstrate this principle could be seen in the projection of a movie onto a screen by a high powered and focused beam of light coming from the projector.
能够看见投影在银幕上的电影，以此类推，通过高原子能量和聚焦光束就产生了投射机。 - 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 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。 - 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。