Why do drivers run a red light then?
那司机为什么要闯红灯呢？
The light then scatters and bounces around to reveal a shape.
然后，光线散射并反射显示出物体形状。
Once your speed approaches the speed of light then Newtonian mechanics no longer works.
速度接近光速时,牛顿力学就超出适用范围了。
Unusual graphics look grey until you hit them with a light then you can see there very reflective.
不寻常的图形看起来灰色，直到你击中一轻，那么你可以看到他们非常反射。
The light then bounces off the bottom mirror, and then bounces again off the underside of the top mirror.
这些光随后经底层镜子反射，又再次经顶层镜子底部反射。
If you put something that floats, for example, in your fluid, something very light then it is going to start spinning.
如果你流体中放些漂浮物，很轻的东西，然后开始旋转。
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。”
This dispersed the light around the events happening between the lenses. The light then passed through the second split time lens and returned to its original phase.
随后用激光穿过第一块透镜，导致两块透镜之间发生的时间周围的光产生弥散，随后光通过第二块时间透镜回到初始相位。
See them in a different light then you have been when you were running. It will make a big difference on how you view it when you get back out running the trails again.
用另外的一个视角来看你曾经进行的跑步，这可以让你再次在田径场上跑步时能有很大不同的看法。
"Then tell her," Wendy begged, "to put out her light."
“那就告诉她，”温迪恳求道，“把她的光熄掉。”
Then she read about seasonal affective disorder, a form of depression that occurs in fall and winter, and she saw the light—literally.
然后她读了关于季节性情感障碍的书，这是一种发生在秋天和冬天的抑郁症；而她真的看到了光。
The light comes from female firefly squids, which spawn in spring, then die and wash ashore.
这种光来自雌性萤火虫乌贼，它们在春天产卵，然后死亡，被冲到岸上。
At night, scan the horizon for artificial light sources, such as fires and streetlights, then walk toward the glow of light pollution.
夜间，仔细眺望地平线，寻找诸如火和路灯之类的人造光源，然后朝光污染造成的光亮走。
At night scan the horizon for artificial light sources such as fires and streetlights, then walk toward the glow of light pollution.
晚上，扫视地平线，寻找像火和街灯的人工光源，然后朝发光的光污染方向走。
Specifically, both mantis shrimps and DVD or CD players are able to convert light into different forms so it can be stored and then retrieved.
具体来说，无论是螳螂虾还是DVD或CD播放机都可以将光转换成不同的形式，从而将光信号存储起来，之后还能再调取出来。
The light aircraft then cartwheeled, trapping both men.
那架轻型飞机随后侧翻，把两个人困住了。
I will turn up the light, and then you can see for yourself.
我把灯调亮，然后，你自己看吧。
You program the clock with the latest time at which you want to be wakened, and it then duly wakes you during the last light sleep phase before that.
你给时钟设定了你想要醒来的最晚时间，然后它会在之前的浅睡眠阶段按时叫醒你。
Then updraft wind currents carry the light, positively charged ice crystals up to the top of the cloud.
然后上升气流将轻盈的、带正电荷的冰晶带到云的顶部。
Then Doug went back into the hallway and stood there looking straight up at the light.
然后，道格回到走廊，站在那里，直视着那道光。
At first I didn't catch on, then I suddenly saw the light.
始而不解，继而恍然。
Some of this light would then travel back to the door and be reflected into the camera.
其中一些光会向门这个方向反射回来并又被反射回相机中。
Look for different colors and sources of light, then use them in creative compositions. The possibilities are endless.
找找那些不同颜色不同光源的光，并创造性地利用它们进行拍摄，其可能性是无限的。
Actually, that's what we do in available-light photography: look for the interesting light, then figure out how to use it to make an interesting picture.
事实上光线不好的时候拍摄照片就是要这样做——寻找有趣的光线然后思索如何利用光线拍摄出一幅有趣的照片。
They clear foliage from the trees to allow in light, then grow the plants between the trunks to hide them from aerial detection by the drug authorities.
他们把树上的叶子清理好，让光线照射进来，然后在树的躯干旁种植，以此掩人耳目，逃避打击毒品部门的侦查。
Like they jump the red light and then hit you.
就像他们闯过红灯，把你撞了。
If your eyes are not in pain and you do not see any flashes of light, then please do yourself a favor and never subject yourself to surgery.
如果你的眼睛不会疼痛或者看到任何的闪光，请帮你自己一个忙，不要坚持做手术。
The ultraviolet light is then converted to visible light by phosphors on the surface of the discharge tube.
紫外线通过放电管屏面上的荧光粉转变成可见光。
The ultraviolet light is then converted to visible light by phosphors on the surface of the discharge tube.
紫外线通过放电管屏面上的荧光粉转变成可见光。
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