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

这些巨大的激光束，大约40×40厘米。

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

激光束为什么切不断烤漆？

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。

Oh, hi. What's going on? We're up on the roof bouncing laser beams off the moon.

嘿 怎么了 我们在屋顶上尝试从月球将激光射回来呢。

A robotic alternative known as the " Agrilaser" randomly deploys sweeping laser beams to keep birds away.

一款名为 Agrilaser 的驱鸟机器随机扫射激光束来驱赶鸟儿。

They plopped this rod into a beaker of water and hit it with a laser beam from below.

他们让这个翼状杆落入盛有水的烧杯中，并用激光束从底部击中它。

Measuring its thickness is trickier. From orbit, this is done by a mixture of radar and laser beam.

测量冰的厚度则更加棘手。在轨道上，这是由雷达和激光束共同完成的。

This form of the molecule is inert until hit with energy from the intersection of two laser beams.

这种形式的是惰性，需要两种电流交汇，在对其进行刺激。

When necessary, they can focus it like a laser beam; when not, creative types immediately recharge their batteries.

有必要时，他们就能像激光一样专注；没必要时，富有创意的人就会立刻开始充电。

These reflectors are used today to reflect back laser beams emitted from Earth, such as this one behind me.

这些反射器现在被用来反射从地球发射的激光束，比如我身后的这个。

The laser beam breaks the ink globules into smaller particles that can then be cleared away by the macrophages.

激光把颜料块击碎，变成更小的颗粒，巨噬细胞可以将其清除。

A green laser beam stretching almost four kilometers across the city sky will stay lit during the entire festival.

整个节日期间，一束横跨天空近四公里的绿色激光束将保持点亮状态。

They aimed 192 powerful laser beams at a point, and it was at that point that a star was born.

科家们192束强大的激光束对准一个点，就在那个点上，一颗恒星诞生了。

That efficient absorption means the paste can be heated by a relatively weak laser beam, which helps protect the surrounding tissues.

这种高效的吸收意味着这种糊状物可以被相对较弱的激光加热，这有助于保护周围的组织。

They have invisible laser beams that shoot out and map the world in 3D, as the car moves down the street.

它们有不可见的激光束，当汽车在街上行驶时，会射出激光束并绘制出三维世界。

A laser beam passing through a jet of helium forms a stream of electrons, and a thin metal foil blocks their way.

激光束通过氦射流形成电流，一层薄金属箔挡住了它们的去路。

These are important experiments because we can measure how long it takes the laser beam to go to the Moon and back.

这些实验很重要，因为我们可以测量激光束往返月球所需的时间。

And there's laser beams and things, too.

还有激光束之类的。

Under most circumstances, the energy in a laser beam heats things up.

在大多数情况下，激光束中的能量会加热物体。

Inside the vacuum chamber is a smaller, extremely cold compartment, reachable by tiny laser beams.

真空室内是一个更小、极冷的隔间， 微小的激光束可以到达。