你可能想知道光是否也是生命形成所必需的条件。
刹那间，那道光圈被打破了，有什么东西轻轻掐了彼得一下。
For a moment the circle of light was broken, and something gave Peter a loving little pinch.
过去人们不知道光比声音传播得快。
In the past people didn't know that light travels faster than sound.
然后，道格回到走廊，站在那里，直视着那道光。
Then Doug went back into the hallway and stood there looking straight up at the light.
盲人不知道昼夜，不能欣赏自然之美，甚至不知道光是什么。
A blind man has no idea of day and night, can't enjoy the beauty of nature, or even doesn't know what the light is.
这种光通过棱镜，而棱镜把它分割成了一道光谱。
This light is passed through a prism, which breaks it up into a spectrum.
变幻莫测的灰色和坚定不变的红色，这两道光芒控制住了河鼠，使他处于动弹不得，痴痴迷迷，又无能为力的状态。
The twin lights, the shifting grey and the steadfast red, mastered the Water Rat and held him bound, fascinated, powerless.
1841年8月，英军力犯闽浙沿海，道光帝下令调遣兵勇，收复失地。
In August 1841, British forces made the coastal Fujian and Zhejiang, Emperor Daoguang ordered the dispatch of soldiers, revendication.
弥勒指出食骨井在一道光柱中重新出现。
Miroku said that the Bone-Eater's Well reappeared in a pillar of light.
一道道光线将重聚于满月中，这一圆月在水中摇曳着胜利者归来的光芒。
The rays were to return to the strengthened moon that shook upon the water in triumphant reassumption.
一道光突然在她周围亮了起来，然后是一股烟雾。
看，那里有道光。
玛丽安：嗯，你知道光像电磁波那样传播，是吧？
Marian: Well, you know that light ACTS like a wave of electromagnetic energy, right?
难道光有热情就够了吗？
当她靠近的时候，她意识到那道光不是来自手电筒的。
As she drew close, she realized the light was not coming from a flashlight.
当阴影消逝，驻留的光将成为另一道光的阴影。
And when the shadow fades and is no more, the light that lingers becomes a shadow to another light.
紧盯着隧道深处那道光，你就将在不同维的不同世界里穿越。
When you concentrate on the light at the end of the tunnel, you are travelling and visiting different worlds in different dimensions to yours.
这道光线最终穿越大爆炸后的宇宙，充分冷却形成了氢原子。
It is the light that was finally allowed to move out across space once a post-Big-Bang Universe had cooled sufficiently to permit the formation of hydrogen atoms.
把文本输入文档之前，首先需要知道光标在什么位置。
Before you begin entering text in the document, however, you need to think about where the cursor is.
科学家们很早就知道光照时间长短控制着我们的生理节奏。
Scientists have long known that our circadian rhythm is regulated by our exposure to light.
这些人常常说，他们看到了一道光，感觉好像他们是向下移动一个隧道。
Such people often say they saw a light and felt as though they were moving down a tunnel.
在他的著作《自述注记》中，爱因斯坦回忆道他当时幻想在宇宙中追逐一道光线。
In his book Autobiographical Notes, Einstein recalls how he once daydreamed about chasing a beam of light as it traveled through space.
然而，我们仍然不知道光合作用在这些量子效应上得到多大程度的好处。
However, we still don't know to what degree photosynthesis benefits from these quantum effects.
上图中向左上升的对角线光带就是被太阳系中的微小颗粒反射的黄道光。
Pictured rising diagonally up to the left in the above image, zodiacal light is just sunlight reflected by tiny dust particles orbiting in our Solar System.
如何知道光标移动到什么地方，如何显示文本，如何创建不同大小的文本域？
How does the cursor know where to go, how does the text get painted, and how do you create different-sized text fields?
即使蚊子能穿过一道此类屏障，第二道光幕，比如说设立在床周围，会提供进一步的保护。
Even if a mosquito somehow managed to penetrate such a barrier, a second light curtain set up around a bed, for example, would provide further protection.
黄道光微微发亮，阳光被黄道上的尘埃散射形成，也从左下角的地平线向上伸展。
The delicate luminous glow of Zodiacal light, sunlight scattered by dust along the ecliptic, also rises above the horizon from the lower left.
然而，如果光晕在日落前后从地平线向上，你看到的就可能是叫做黄道光的光线。
If the glow is seen coming up from the horizon just before sunrise or just after sunset, however, you might be seeing something called zodiacal light.
然而，如果光晕在日落前后从地平线向上，你看到的就可能是叫做黄道光的光线。
If the glow is seen coming up from the horizon just before sunrise or just after sunset, however, you might be seeing something called zodiacal light.
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