Only if the red light comes on is there any danger to employees.
只有红灯闪亮时才有危及职工的险情。
The shooting-range is lit from underneath by rows of ruby-red light fixtures.
射击场被一排排宝石红照明装置从下面照亮。
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？
Plants absorb most of the red light that hits them, but plants only absorb some of the far-red light that hits them.
植物吸收大部分照射到它们的红光，但只吸收部分照射到它们的远红光。
Do the following to ensure the safe operation of your smoke detector: if your smoke detector is working properly, the red light should be on.
为确保您的烟雾探测器的安全运行，请执行以下操作：如果烟雾探测器正常工作，则红灯常亮。
The plant on top would absorb most of the red light for photosynthesis, but reflect most of the far-red light.
顶部的植物会吸收大部分的红光进行光合作用，但反射大部分的远红光。
These light-emitting diodes could simulate red light.
这些发光二极管可以模拟红光。
Some biologists hypothesize that a plant will stop growing if it's in the shade of another plant, a reaction that's triggered when it senses an unusual ratio of red light to far-red light.
一些生物学家假设，如果一株植物处在另一株植物的荫蔽下，它就会停止生长，当它感知到红光与远红光的不寻常比例时，反应就会触发。
A ratio of less red and to more far-red light would cause a reaction from the plant.
较少红光和较多远红光的比例会引起植物的反应。
Never cross the street when the red light is on.
红灯亮时不要横穿马路。
When the little boy's flowers came out, the moon gave out a soft red light.
当小男孩的花绽放时，月亮发出柔和的红光。
It seemed that a man named Wang Jie had run a red light, running into another person's car.
好像是一个叫王杰的人闯红灯，撞上了另一个人的车。
When Wang Jie described Li's red apple as being green, Li realized that Wang Jie must have run a red light.
当王杰说李警官的红苹果是绿色的时，李警官意识到王杰一定是闯红灯了。
When injected behind the retina at the back of the eye, the gene produces a protein that is sensitive to red light.
当这种基因被注射到位于眼睛后部的视网膜后面时，会生成一种能感应红色光的蛋白质。
Human eyes have three cone cell types, with each type dedicated to receiving either blue, green or red light.
人类拥有三种视锥细胞，每种细胞都有各自的用途，可用于接收蓝色光、绿色光或红色光。
The thin, nanoscale wedges strongly absorb blue light at the tip and red light at the base.
这种薄的纳米尺度的楔子形状吸收能力强，顶部吸收蓝光，底部吸收红光。
For instance, red colored objects reflect only red light and absorb the other colors of light in the rainbow spectrum.
打个比方，红色的物体只反射红光而吸收光谱中其他颜色的光线。
At this time of day you need to filter out the red light to take a good photo.
在一天的这个时候，你需要过滤掉红光才能把相照好。
Her eyes flashed with a red light. Her breathing became rapid.
她的双眼里闪过一道红光，呼吸开始急促起来。
A driver will usually stop for a red light, even when there are no other cars around.
开车的人通常会在红灯前停下来，即使四周没有其它的车也是如此。
He then set out to make a new type of semiconductor crystal that would be able to emit visible, red light.
之后他就开始着手研制一种新型的可以发出可见红光的晶态半导体。
Stopping at a red light, I turned around and waved my hands, calling her name to distract her.
红灯停车的时候，我转过身来，对她挥手，并叫她的名字试图分散她的注意力。
You remember the whole argument: I have to see the red light in the context of the semiotic system to which it belongs.
你们应该还记得整个论述过程：，必须把红灯放在它所属，的符号系统中来理解。
As you blaze through the yellowlight you glance in your rearview to see all the cars behind you stopping atthe red light.
当你在亮黄灯时呼啸而过，扫一眼后视镜看到身后所有的车因红灯亮起而停在那里。
I didn't notice either the red light coming up or the car stopped at the light.
我没有注意到前面的红灯，也没有看到停在灯前的那辆小车。
As we stopped at an intersection for a red light, a car drove up beside the prime minister.
当我们在一个路口停下来等红灯的时候，一辆汽车从首相旁边驶过。
The same is true of some kinds of fluorescent lighting, which are also deficient in red light.
有些荧光灯也会出现同样的情况，红光也是同样的缺失。
Yesterday he stopped at a red light, and a man came up behind him on another bicycle.
昨天他停车等红灯时，一个人骑自行车从后面到他跟前。
Yesterday he stopped at a red light, and a man came up behind him on another bicycle.
昨天他停车等红灯时，一个人骑自行车从后面到他跟前。
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