父亲说，“光比声音传播快得多。”
父亲说光比声音传播快得多。
父亲说，光比声音传播快得多。
老师说光比声音传播速度快。
众所周知，光比声音传播快。
我们的老师告诉我们光比声音传播得快。
他说光比声音传播得快。
在真空中，没有什么东西能比光跑得更快了。
你想飞得比光还快吗？
每年都会生产数百万个CCD，以满足大众数码相机的市场需要，但结果证明它们也是科学领域的一项重大技术变革，据此生产的光传感器比以前存在的各种光传感器都要敏感许多。
Millions of CCDs are made each year for mass market cameras, but they also proved a transformational technology in science by providing a much more sensitive light sensor than previously existed.
这四只狗都取名为“Ruppy”（“ruby”和“puppy”的合成词），在正常光条件下，它们看起来和普通的比格猎犬没什么差别。
The four dogs, all named "Ruppy" — a combination of the words "ruby" and "puppy" — look like typical beagles by daylight.
但是，虽然光信号比电信号在信息传输上高效很多，却也更难控制。
But while optical signals transmit information much more efficiently than electrical signals, they're harder to control.
但是，会发光的小狗拉比却引起了广泛的关注，这也许主要是因为它非常可爱。拉比是一只克隆的小猎犬，在紫外光下会发出红色的光。
But Ruppy the Glowing Puppy, a cloned beagle that glows red under UV light, has gotten the lion's share of attention, largely because he's adorable.
声比光传播得慢。
虽然还没有发现一种速度与光一样或比光还快的物质，但科学实验已经证实，加速运动会延长旅行者的时间。
Although no form of matter yet discovered, moves as fast as or faster than light, scientific experiments have already confirmed that accelerated motion causes a traveler's time to be stretched.
由于正在取代绵羊的牛对千里光草中含有的毒素比绵羊敏感得多，影响的严重程度有所增加。
The severity of the impact was increased because cattle, which were displacing sheep, are much more sensitive than sheep to the toxins contained in ragwort.
因为这样能使用较少的灯管，侧光式比全阵列式更便宜。
Since they have fewer lights inside, edge-lit LED models are cheaper compared to full-array models.
爱因斯坦的理论可能会刹住比光还快的中微子。
Einstein's Theory May Put Brakes on Faster-Than-Light neutrinos.
随着中微子束的收紧，中微子仍然比光提早了60纳秒抵达了格兰·萨索。
With the beam tightened up, the neutrinos still arrived at Gran Sasso 60 nanoseconds faster than light would have.
看起来非常确定的事情是：没有信号，更不用说物质，可以比光传播的速度快。
For it seems as certain as anything can be that no signal-still less any material object-can ever travel faster than light.
在2007年，MINOS的实验搜索过比光还要快的中微子，但没有得到任何有统计学意义的结果。
In 2007, the MINOS experiment searched for faster-than-light neutrinos but didn't see anything statistically significant.
科学家认为，他们可以使光行进得甚至比这更慢，达到每小时约二百分之一英里。
They think they can get it to move even slower, around two hundredths of a mile per hour.
碲化镉是一种比硅更便宜的光伏材料。
The compound is cheaper to use for photovoltaic material than silicon.
阴影的颜色一般是比环境光更暗一些的颜色，因为环境光被不断的反射、反弹因而和物体实际的颜色相混合了。
Shadows are most of the time a darker version of the ambient light because the ambient light gets reflected/bounced of pretty much everywhere and thus mixes with the actual color of the object.
阴影的颜色一般是比环境光更暗一些的颜色，因为环境光被不断的反射、反弹因而和物体实际的颜色相混合了。
Shadows are most of the time a darker version of the ambient light because the ambient light gets reflected/bounced of pretty much everywhere and thus mixes with the actual color of the object.
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