医生也警告我们，香烟含有尼古丁、焦油以及许多其他有毒的物质。
Doctors also warn us of nicotine, tar, and many other toxic substances contained in cigarettes.
当气体冷却，任何有毒的物质会被封在玻璃状的熔渣中，被安全的填埋。
When the gas is cooled, any hazardous elements in the waste end up sealed in a glassy slag that is safe to put into landfill.
而如果一个幼儿吞下有毒的物质时，85%的临时保姆知道应该与谁取得联系。
And if a child swallowed poison, 85 percent would know whom to contact.
我讨厌这里的火车站，里面满是形迹可疑的人，个个鼻子里吸着大量的有毒的物质。
I hated the train stations, full of dubious men hovering vast quantities of nefarious substances up their noses.
塑料分解需要上百年的时间，而且，随着它的分解，有毒的物质会释放到水和土壤中。
Plastic takes hundreds of years to break down and , as it does so, poisonous materials are released into the water and soil.
这样的事件化学链可能影响到溶解在池塘水中的有机物质——把无害的有机物质转变为对于水生动物有毒的物质。
This chemical chain of events could affect the organic material dissolved in the pond water - turning harmless organic material into substances that are toxic to aquatic animals.
一些塑料袋焚烧时还会散发出有害和有毒的物质，许多塑料袋最终被弃入大海，一些海洋动物误将它们当成食物吞下，因而丧生。
Some can release harmful and poisonous things when burned, and many end up in the sea and can kill some marine animals that mistake them for food.
被动的植物自我防御包括物理和化学防护，这些防护保护它们使病原体无法进入，像细菌，或者对侵略者放出一系列的不好闻的气味或是有毒的物质。
Passive plant defense comprises physical and chemical barriers that prevent entry of pathogens, such as bacteria, or render tissues unpalatable or toxic to the invader.
一些有毒物质流入我们作为饮用水的河流中。
Some poisonous substances are flowing into the rivers that are sources of our drinking water.
此外，地热加热的水可能含有从热岩石中溶解出来的盐和有毒物质。
In addition, water heated geothermally can contain salts and toxic materials dissolved from the hot rock.
绝对没有确保香烟不含有毒物质的规定。
There's absolutely no regulation of cigarettes to make sure that they don't include poisonous substances.
重工业排放的有毒化学物质污染着我们的河流。
有毒的矿物质首先被根部吸收，然后转移到茎和叶上。
Toxic minerals would first be absorbed by roots but later relocated to the stem and leaves.
想象一下这些有毒物质会对你的身体造成什么影响。
Imagine what these poisonous substances can do to your own body.
恐惧、愤怒、沮丧和压力产生的有毒物质不仅会杀死豚鼠，还会以类似的方式杀死我们。
The toxic substances that fear, anger, frustration and stress produce not only kill guinea pigs but kill us off in a similar manner.
在研究这些疾病爆发的过程中，科学家们发现受影响的树木会向树叶中释放以酚类物质为主的有毒化学物质进行反击。
In studying these outbreaks, scientists have discovered that affected trees fight back by releasing toxic chemicals, mainly phenols, into their foliage.
作为工作的一部分，她对环境中的有毒物质进行了实地研究。这些物质通常来源于大型工业污染源附近的少数民族社区。
As part of her job, she conducted field research on toxic substances in the environment, often in minority communities located near large industrial polluters.
毒蛇是一种分泌有毒物质或毒液的动物，像蝰蛇科的蛇或眼镜蛇。
Ok, venomous snakes are the ones that secrete poisonous substances or venom, like the snakes of the viper family or cobras.
2004年发表在《儿科》杂志上的一份报告解释说，紧张的父母更害怕的是火灾、车祸和溺水，而不是有毒化学物质泄漏。
A 2004 report in the journal Pediatrics explained that nervous parents have more to fear from fire, car accidents and drowning than from toxic chemical exposure.
她发现，许多家庭都暴露在高水平的、有时是致命的化学物质和其他有毒物质中，但她不被允许公开自己的信息。
She found many families were being exposed to high, sometimes deadly, levels of chemicals and other toxic substances, but she was not allowed to make her information public.
20世纪80年代，由于一些药盒内掺入了有毒物质，强生迅速召回泰诺胶囊，这曾使它成为危机管理的楷模。
In the 1980s Johnson & Johnson's swift recall of Tylenol capsules, after some packs had been laced with poison, made it a model for crisis management.
我们可以把西部平原上覆盖的大片草地撕开，然后把有毒的化学物质倒入土壤中，直到土壤枯死，被风吹走。
We can tear apart the great grass cover of the western plains and pour toxic chemicals into the soil until the soil is dead and blows away in the wind.
这些有毒物质会限制毛毛虫的生长，减少雌蛾产卵的数量。
These noxious substances limit caterpillars' growth and reduce the number of eggs that female moths lay.
通过对DNA 及蛋白质中的基因物质进行分析，研究人员可以专注于有毒基因，并利用它们得到蛇毒的进化轨迹，这样也就知道了蛇的进化源。
By analyzing the DNA, the genetic material of the proteins, the researchers could focus on the toxic genes and use them to trace the evolution of snake venom, and from this, the evolution of snakes.
收割下来的枝叶会将有毒的化合物转移到远离这片区域的地方，它们将被焚烧或者用作堆肥，回收金属物质用于工业用途。
A harvest of the shoots would remove the toxic compounds off site to be burned or composted to recover the metal for industrial uses.
你通过鞋子带进家里的灰尘和有毒化学物质会使家里的空气质量恶化。
The dust and toxic chemicals you bring into your house via your shoes can deteriorate the air quality in your home.
由于她的努力，全国数十个包含有毒物质的区域已被清理干净，一位化工行业发言人称她为“环保运动的先锋”。
Because of her efforts, dozens of toxic sites across the country have been cleaned up, and one chemical industry spokesperson calls her "a top gun for the environmental movement".
由于她的努力，全国数十个包含有毒物质的区域已被清理干净，一位化工行业发言人称她为“环保运动的先锋”。
Because of her efforts, dozens of toxic sites across the country have been cleaned up, and one chemical industry spokesperson calls her "a top gun for the environmental movement".
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