The red signal means you can shoot.
红色信号表示可以射击。
A red signal is often used as a danger signal.
红灯常常被当作危险的信号。
When we are driving, and we see red signal, we often are more alert.
当我们开车，看到红色的信号时，总会提高警觉。
Using the natural reflectivity of ceilings and walls, a transmitted infra-red signal can be received by any number of receivers within a room.
利用天花板和墙面的自然反射性，传送的红外信号能够被一个屋子里的所有接收器接收到。
August 14th, 1963, at a lonely spot outside London, the Glasgow to London mail train was halted by a red signal and ambushed by 15 masked men.
八月十四号，在一个远离伦敦的冷清地点，从Glasgow道伦敦的火车被一个同样装束的15个蒙面人劫持了。
Then the rain came and the red flag went up to signal a halt.
当时，雨下了起来，红旗被升起，发出停止的信号。
At 9:30 am, the full red/yellow/green signal cycle might be 140 seconds.
上午九点半的时候，完整的红黄绿信号灯变换周期大概为140秒。
Are there symptoms or red flags parents, coaches and others should be on the lookout for that signal a young person is at high risk of sudden cardiac death?
有没有一些症状或信号可以让家长，教练或他人知道某个年轻人正处于猝死的危险中呢？
This blocks the vehicle from being accessed by another party, and shows its "in use" status by a red blinking signal on the card reader.
这就可以阻止汽车被别人开走，并且会通过读卡器闪烁红灯来显示此车处于“使用中”的状态。
For them, the red and yellow signal is an indication to crawl the car and keep moving, while the green signal is to zoom past all the other cars.
对于他们而言，红灯和黄灯意味着要慢慢溜过去，而非停下来，绿灯则是要加大油门甩掉其它的车辆。
Outside his boardroom he posted red and green lights to signal to his secretary whether visitors could enter.
他在会议室的外面用红光和绿光来暗示秘书是否该让来访者进来。
The reason for concern about India's widening current-account deficit is not that it heralds a financial crisis, but that it is a signal of how supply cannot keep pace with red-hot demand.
印度不断增长的经常帐户赤字让人担心，原因不在于它是金融危机的前兆，而在于它表明了面对呈白热化增长的需求，供给已难以为继。
He pressed the red alarm signal to see if it was on or off.
他按了一下红色报警信号钮，检查一下它是开着的还是关着的。
Red appears to signal rank in virtually all cultures.
红色被认为在大多数文化里都象征着非凡的地位。
On (RED) - wireless camera is transmitting with a poor signal.
上(红色)-无线摄像机是转递较差的信号。
Red balloons trapped between the two layers of mesh signal the entrances to the pavilion, which is accessed through triangular metal openings.
两层网中间夹着红色的气球，为场馆三角形的金属入口提供标志。
It appears that the greatest difference between the background and the signal is in the red channel, but there are stripes on the image.
目测在红色通道中背景和标志间的差异最大，但是图像中仍然有条纹。
Thus, green became "go," and for a long time, railways used only green and red to signal trains.
因此，绿灯成为了“通行”的标志，长期以来铁路也只将红色和绿色作为信号灯。
The Signal line: If we take short positions this line has to be red.
信号线：如果我们持有做空的头寸，这条线应该是红的。
A red light is usually a signal of danger.
红灯通常是危险的信号。
Stop when the signal light is red.
信号灯是红色时就停下来。
Wanted: an old man with a red, often take advantage of the night to sneak into people's homes place objects to make people happy as hell, discoverer please speed alarm, alarm signal: merry Christmas!
通缉令：一老者白须红袍，常趁夜潜入居民家中放置让人快乐得要命的物品，发现者请速报警，报警暗号：圣诞快乐！
A red light is a signal of danger.
红灯是危险的信号。
Red, the color of blood, proved a logical choice for the stop signal, as for thousands of years, this color forbade danger.
红色，血的颜色，作为停止信号，是一种合乎逻辑的选择。几千年来，红色预示着危险。
Its bright, flashing red distress light is also push-button activated to signal for, and direct help to, your location.
其高亮度，闪烁的红色痛苦轻，也是推动激活的信号按钮，并直接帮助的，您的位置。
Its bright, flashing red distress light is also push-button activated to signal for, and direct help to, your location.
其高亮度，闪烁的红色痛苦轻，也是推动激活的信号按钮，并直接帮助的，您的位置。
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