When you turn the ignition key on, but before you start the car, the oil light should light, indicating that there is no oil pressure yet, but also letting you know that the warning system is working.
当你打开点火开关，在启动车子之前，油量警示灯亮，表明此时无油压力，同时也让你知道报警系统已开始工作。
To truly experience the beauty of this decorative glass you should see it with light passing through it, especially sunlight, which is why stained glass is usually used for windows.
要真正体验这种装饰玻璃的美，你应该在有光通过它的时候看它，特别是在阳光通过的时候，这就是为什么彩色玻璃通常用于窗户上。
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。
People with pale complexions should avoid wearing light colours.
肤色白皙的人应当避免穿浅色衣服。
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。
When placed on the ground, baits should be situated on small paper cards or other flat, light-colored surfaces, or in test-tubes or vials.
诱饵放在地上时，应放在小纸卡上或其它平坦的浅色表面上，或放在试管或小瓶子里。
This is because the female body is a beautiful work of art, while the male body is lumpy and hairy and should not be seen by the light of day.
这是因为女性的身体是精美的艺术品，而男人的身体又粗笨又多毛，不该在光天化日之下看到。
Our bedroom should have proper light.
我们的卧室应要光线充足。
The bedroom light should be neither too bright nor too dark.
卧室灯光不宜过亮，也不宜过暗。
It should have good light, a place for your books, and your homework "tool kit".
它应该有良好的光线，有一个放书的地方，和你的家庭作业“工具箱”。
These lights should give off as little blue light as possible.
这些灯应该尽量避免发出蓝光。
We should choose a kind of yellow light that gives feeling of warmth.
我们应该选择一种黄色的光，能给人温暖的感觉。
A team of astronomers has figured out which colors of light future telescopes should look for.
一个天文学家团队已经找出今后的望远镜应该寻找哪些颜色的光线。
It also reinforces the message that they should not do work or watch TV in bed, should limit the light in the bedroom and should avoid stimulants like caffeine late in the day.
它还强调这个信息即在床上不应该工作或是看电视，应当限制卧室的灯光，在一天的晚些时候避免类似咖啡因的刺激。
After the procedure, your cornea should bend (refract) light rays to focus more precisely on your retina rather than at some point beyond or short of your retina.
完成手术程序后的角膜可以使光线更精确的发生折射，形成的焦点位于视网膜上，而不是超过或者达不到视网膜。
Hence overloaded operations might not see the light in the future and should be avoided.
因此重载的操作在将来可能没有出头之日，且应该避免重载操作。
Whether women should consider abstaining from even light alcohol consumption, however, is not easily answered, preventive health experts said.
预防专家说，然而，女人是否应该考虑完全避免酒精消费仍然是一个问题。
The light at the background should be 1 stop brighter than the main, but the background light should drop off by a stop when it hits the models back.
而背景光应该比主光强1档，如果当背后的光强于主光是，应当让模特远离背景。
Superstition: There should always be a light burning in an empty theater to ward off ghosts.
迷信：鬼魂出没于剧院，应该给他们每周留一晚的时间单独上台。
But I'm not sure I buy the rest of the arguments, i.e. should be clearly visible from space, should not be light/shadow assisted etc.
不过对于其他的论点我可不买账，比如说要在太空中清晰的看到长城，或者不能用光影效果辅助等。
Should Congress approve, such measures could light the path back to work for many jobless Americans.
如果国会也能批准这样的举措，就会为美国失业大军重回就业市场的艰辛之路带来曙光。
The containers should keep out light. Light can harm the properties of oils and fats.
容器应避光，因为光会损害油脂的特性。
However, if there is indeed a link, then perhaps people should minimize exposure to artificial light at nighttime.
如果两者真的有关系，那么人们在晚上可能要尽量避免非自然光的照射。
You already know that olive oil should be placed away from light, but did you know that the refrigerator is a suitable dark spot?
您已经知道，橄榄油应避光保存，但你知道冰箱是一个合适的无光存放点吗？
They should check the day-light conditions and ventilation in different weather conditions in advance, if possible.
如果有条件的话，应提前对房屋在不同天气状况下的采光及通风状况进行考察。
The material for the couch should be a light velvet if there are dark hardwood floors, and a dark velvet if there are light hardwood floors.
如果地板是深色的，躺椅的面料就应该是浅色的天鹅绒；如果地板是浅色的，面料就应该是深色的天鹅绒。
And a big hydropower plant at the nearby Kajaki dam should be able to light up Kandahar for a fraction of the cost.
而且只需上述费用的一小部分，就可在附近的卡贾基大坝建一座大型水力发电厂，应该足以为坎大哈提供照明用电。
Lunch: This meal should be light in both calories and fat, with some protein and high-quality carbs, such as a Turkey sandwich on whole grain bread with a fruit salad and glass of milk.
午餐：这餐应减少热量和脂肪，吃些蛋白质和高质量的碳水化合物，如全麦面包制成的火鸡三明治，带有水果沙拉和一杯牛奶。
Lunch: This meal should be light in both calories and fat, with some protein and high-quality carbs, such as a Turkey sandwich on whole grain bread with a fruit salad and glass of milk.
午餐：这餐应减少热量和脂肪，吃些蛋白质和高质量的碳水化合物，如全麦面包制成的火鸡三明治，带有水果沙拉和一杯牛奶。
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