She knew she was near the shore because the light was high up on the cliffs.
她知道自己已经接近岸边了因为那灯光是在高高的悬崖上。
She knew she was near the shore because the light was high up on the cliffs.
她知道自己已经接近岸边了，因为那灯光是在高高的峭壁上。
And right now we're jamming in the garage by candlelight because the light has blown out.
现在，我们挤在车库里，用烛光做照明，因为灯坏了。
But this is like looking for one's lost keys under the lamppost because the light is better there.
但这就像在路灯下找寻一个人丢失的钥匙，因为那里更亮一些。
It will be dark because the light particles are so dense that they take on the appearance of no light.
它将会黑暗是因为光的粒子是如此的密集以致于显现出没有光亮。
Because the light is travelling through cables, the new device is much less likely to go out of alignment.
由于光是在电缆中传播，这个新设备的准确性更高。
We see the beam from the flashlight because the light is reflected by particles of dust or moisture in the air.
因为空气中的灰尘或水汽反射电筒的光，我们才看得见电筒的光束。
Early next morning, she saw a light ahead. She knew she was near the shore because the light was high up on the cliffs.
第二天凌晨，她看到前方有灯光，知道自己已经接近岸边了，因为那灯光是在高高的峭壁上。
If you replace the water with light then you would not see that there was something present because the light is guided around the person or object.
他说：“如果你把水换成光线，由于光线被引导绕开了人或者物体，你将看不到那儿有什么东西。”
By looking very far away, because the light takes so long on its journey to reach the Earth, astronomers are effectively able to look back in time to this early era.
由于观测距离很远，光线要花很长时间才能到达地球，天文学家才能在现代观察到遥远的过去的景象。
Light traveling through different mediums, such as chilled sodium gas, does slow substantially, but this is because the light is being bounced between the atoms within the medium.
根据盖利森的意见，光可以通过不同的介质运行，如在通过冷冻的纳气时，光的速度实质上变慢了。然而这是因为光线在运行介质里的原子之间时，会反复地反弹。
Like fog around a street lamp, a reflection nebula shines only because the light from an embedded source illuminates its dust; the nebula does not emit any visible light of its own.
就像路灯周围的雾，一个反射星云的发光仅仅是因为嵌入其中的一个光源照亮了他的尘埃，星云本身并不发出任何可见光。
Light emitted from farther away, and thus older, quasars lacked this wavelength, because the light was getting absorbed by neutral helium as well as helium with a single ion-or charged particle.
光线的发射处越远，年龄越大，类星体的光谱会缺失，因为某些波长的光线会被中性氦及氦离子或带电粒子吸收。
I have said this in the past but I feel like post production should be required to all pictures. Underwater pictures tend to turn out flat, which is because the light underwater is very diffused.
后期制作对所有照片的重要性我过去就说过，水下照片趋向于扁平，是因为水下光线是衍射的。
On the other hand if you take a look at the shadow on the wall beneath the wood roofs, those appear brownish/redish because the light from the wood gets reflected on the wall and tints it that color.
另一方面如果你注意观察在木头屋顶下边的阴影，那里会呈现红褐色，因为木头反弹到墙面的颜色。
The objects around you are visible because they interact with light.
你能看见周围的物体是因为它们与光相互作用。
It is different, because with painted glass the idea of light corning through to create the magical effect wasn't the focus any more.
情况由于彩绘玻璃的产生变得不同了，通过光穿透玻璃所制造的奇幻效果也不再是亮点。
Because of its huge mass, the cluster acts as a cosmic magnifying glass, causing light to bend around it.
由于其巨大的质量，这个星系团相当于一个宇宙放大镜，使光线在它的四周弯曲。
That's because the red light is actually not a gross constituent unit in a semiotic system, right?
那是因为红灯不是这一符号系统的一个主要组成单元，对吗？
It sounds paradoxical, because the idea behind this hypothesis is that the red pigment is made in autumn leaves to protect chlorophyll, the light-absorbing chemical, from too much light.
这听起来很矛盾，因为这一假设背后的理念是，树叶在秋天产生的红色素是用于保护叶绿素这种吸收光的化学物质，以免它吸收过多的光。
The eco-light is good for earth, and it's cost-effective and convenient, because it doesn't have to be changed every few months.
环保灯对地球来说是好的，而且它很省钱、方便，因为它不需要每隔几个月就更换一次。
When we consider the nightly lifestyle of these bats, we will see they have to be sensitive to the changing light levels because this is how they sense when to start hunting.
当我们考虑这些蝙蝠的夜间生活方式时，我们会发现，它们必须对不断变化的光线水平保持敏感，因为这是它们感知何时开始狩猎的方式。
When the ants are removed, the trees usually die, probably because herbivores damage them so much that they are unable to compete with surrounding vegetation for light and growing space.
当蚂蚁被移走后，树木通常会死亡，可能是因为食草动物对它们的伤害太大，它们无法与周围的植物竞争光照和生长空间。
Whatever product you use should emit only visible light, because ultraviolet light damages the eyes.
不管你用什么产品，都应该只发出可见光，因为紫外线会伤害眼睛。
Because light traveling down from a summit passes through many such layers, a surveyor could sight a mirage rather than the peak itself.
因为从山顶向下传播的光会穿过许多这样的层，所以测量员看到的可能是海市蜃楼而不是山峰本身。
Because light traveling down from a summit passes through many such layers, a surveyor could sight a mirage rather than the peak itself.
因为从山顶向下传播的光会穿过许多这样的层，所以测量员看到的可能是海市蜃楼而不是山峰本身。
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