No matter what level of exposure of smoke you have, your lung cells know it and they are responding.
无论你暴露在何种程度的烟雾环境中，你的肺部细胞都知道并且会做出反应。
"When you look at the biology, there is no safe level of exposure to tobacco smoke," he says.
他还说：“当你看了生物学以后就会发现，任何级别的烟雾含量都是不安全的。”
If there's smoke in the cabin, get low and crawl below the level of the smoke and toxic fumes, so you can breathe until you get out of the plane.
如果机舱里有烟雾，把身体放低到烟雾与有毒气体的下面爬行，这样你能在你离开飞机前保持呼吸。
A selection committee usually visits a candidate's home to look at general safety, neatness, the level of child-proofing, and to see whether people smoke inside, and who might be coming and going.
一个选举产生的委员会通常要去访问申请人的家庭，去查看一般的安全性，整洁性，对于儿童安全的等级，去看是否有人在里面抽烟，谁经常来访。
There is no safe level of secondhand smoke for nonsmokers. Don't expose your children to secondhand tobacco smoke.
别让你的孩子吸二手烟。
Examine you current level of fitness, age, chronic medical conditions, lifestyle habits (how you eat, drink, smoke and use drugs) and write it down.
评测一下自己现在的健康等级，年龄，长期以来的身体情况，生活习惯（包括吃、喝、吸烟以及用药），并且把它们写下来。
The 700-page Surgeon General's report found there was no safe level of exposure to cigarette smoke - whether you deliberately inhale or breathe it in second hand.
在首席外科医生700页的报告中显示，不管你是否谨慎小心地吸入或呼出二手烟，只要你周围有烟草的烟雾，你就不可能不受伤害。
A huge plume of smoke rose from the site of an three-storey administrative building just 100 yards from the tent in the compound used by Col Gaddafi for media interviews and high level visits.
在距卡扎菲用于新闻接待及高层访问的帐篷不到100码处，一座三层行政楼上空冒出滚滚浓烟。
Now, the prefrontal cortex, that youngest part of our brain from an evolutionary perspective, it understands on an intellectual level that we shouldn't smoke.
其实，前额叶皮质，从进化的角度来看，那是我们大脑最年轻的部份，它明白，理智上我们不应该抽烟。
This paper has MQ-2 resistance-type smoke sensor and analog electronics technology as the core, to design a good technical level of the smoke alarm.
本论文以MQ - 2电阻式烟雾传感器和模拟电子技术为核心，设计出一种技术水平较好的烟雾报警器。
ObjectiveTo observe the effect of cigarette smoke on the lipid peroxidation, the activity of antioxidases, and the level of non protein sulphydryl group in the rat lenses.
目的观察香烟烟雾对大鼠晶状体的脂质过氧化作用以及对抗氧化酶活性和非蛋白质巯基的影响。
In the third level there are the contemporary buildings on which is reflexed the black color of the mud and smoke.
第三层是当代建筑，反射着泥淖和烟雾的黑色。这就是有着工厂、汽油和现代生活方式的现代世界。
"This means that no level of smoking, or exposure to secondhand smoke, is safe," says Dr.
“这意味着零吸烟水平或不接触二手烟是安全的，”Crystal博士说。
So the most likely explanation of this finding is that the sooner a smoker lights up, the more smoke is taken into the lungs, and the higher the level of exposure to cancer causing chemicals.
所以，研究发现的最可能的解释就是吸烟者起床后越快吸烟，吸入肺里的烟越多，更容易患上由于化学物质引起的癌症。
The influence of fuel injection pressure on smoke emission value is comparatively complicated, while its influence on noise level is comparatively small.
气门间隙增大，碳烟排放量增大，但对噪声水平的影响则不是十分显著；
This involves keeping the height of the smoke layer above the highest level of occupancy for a defined period of time, longer than the expected time to evacuate the building.
这就要求在规定的逃生时间内，保证烟气层存在于规定的逃生安全高度以上。
To satisfy the demands for air supplement, mechanical pressurized air supply system is set. Air supply level is calculated by no less than 50% of smoke exhaust level.
为满足补风需要，设机械加压送风系统，送风量按不小于排烟量的50%计算。
When you look at the biology, there is no safe level of exposure to tobacco smoke, "he says."
他还说：“当你看了生物学以后就会发现，任何级别的烟雾含量都是不安全的。”
When you look at the biology, there is no safe level of exposure to tobacco smoke, "he says."
他还说：“当你看了生物学以后就会发现，任何级别的烟雾含量都是不安全的。”
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