The bright luster of the northern lights danced across the windows, waking a small girl.

北极光明亮的光束跳进窗户，唤醒了房间里的小女孩。

It shone through the windows of the Brodhead Center, cast gem-like beams through the stained glass in the Chapel, and illuminated this stadium, where we are gathered for this glorious morning, this new beginning, this joyful commencement.

阳光照射着布罗德黑德中心的窗户，照着教堂彩色玻璃投射出宝石般的光束，照亮了个体育场，而我们正聚里迎接个明亮的早晨，个新的开始，个欢乐的毕业典礼。

Our technologies have advanced over the last 20-plus years to include lasers that fire out of the bottom of the aeroplane and those laser beams image the land surface.

过去的20多年里，我们的术不断进步，包括从飞机底部发射的激光，些激光束可以拍摄到陆地表面的图像。

They're big laser beams, about 40 by 40 centimeters.

些巨大的激光束，大约40×40厘米。

So they turned up the beam, increasing the number of collisions.

所以他们提高了光束的亮度，增加了碰撞的次数。

These two traits give laser beams all kinds of special abilities.

正是两个特性，让激光束拥有了各种特殊的能力。

NASA, America's space agency, has started using them to beam energy to remotely controlled drones.

航天局（NASA）已开始利用激光束将能量传送到远程无人驾驶飞机上。

This increases the chances of the beams hitting each other.

增加了光束相互撞击的几率。

Why isn't that laser beam cutting through the paint?

激光束为什么切不断烤漆？

The light Nikole wields is titanic, a blinding beam that illuminates and scorches.

妮可挥舞着巨大的光束，束耀眼的光，明亮而且灼热。

The second jet of light hit him squarely on the chest.

第二道光束正好击中了他的前胸。

And far away, on the mountain side, A sunbeam falls from the opening skies.

远处，高山上，云开后划过一道光束。

When he focused the beam of light onto the stick, the stick burst into flames.

当他把光束聚焦棍子上时，棍子突然烧了起来。

Doctor Lopotko says the light beam used by the device is safe.

Lopotko医生说该设备使用的光束是安全的。

Sensors at road level shoot beams of light across the road, to a reflector.

路面上的感受器发射光束，到达马路对面的反射镜。

And the sun is your energy and the laser beam of light is your focus.

太阳是你的能量，激光束就是你的专注度。

Quick as lightning, he reached out and caught the bolt of molten plasma.

如闪电般迅速地伸手接住了熔化的等离子光束。

So once it starts to depress, it actually cuts off that beam of light, which immediately sends a signal from the keyboard to your computer that that key has been hit.

一旦你按了下去，它实际上切断了光束，并立即从键盘发送一个信号到你的计算机，表示该键已被击中。

The video shows several scenarios in which the lamp directs its light beam to where light is needed depending on the user's recognized tasks.

视频展示了几种场景，台灯会根据识别出的用户任务将光束指向需要光的地方。

And the sun means business, suddenly, and has a different, deeper yellow in its beams on the carpet.

太阳也来了劲，瞬间地毯上投下比以往更加深黄的光束。