燃烧的硫磺会产生有毒烟雾。
海洋成了各种有毒工业废料的大容器。
The seas have been used as a receptacle for a range of industrial toxins.
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.
从化工厂熊熊烈火中泄漏出团团有毒气体。
Clouds of toxic fumes escaped in a huge chemical factory blaze.
我们的汽车每年排放出成千上万吨的有毒尾气。
Our cars pump out thousands of tonnes of poisonous fumes every year.
没有毒理学反作用。
这项研究包括了一些有毒的蜥蜴。
受害者可能接触到了有毒或放射性矿物。
Victims may be exposed to poisonous or radioactive minerals.
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.
要是知道这蘑菇有毒，她也不会采来做晚餐了。
If she had been aware that the mushroom was poisonous, she wouldn't have picked it for dinner.
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.
一定剂量的苯丙胺是确证对动物有毒的，因此不能用于人类。
It has proved toxic at some doses in animals and so cannot be used in humans.
来自海豹死亡海域的海水样本确实含有异常高浓度的有毒细菌。
Seawater samples from the area where the seals died did contain unusually high concentrations of the toxic bacterium.
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.
整个植物，也被称为芸豆树，是有毒的，尽管有人说它的花无毒。
The entire plant, also known as a kidney bean tree, is toxic, though some say the flowers are not.
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.
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.
火海胆鲜红的颜色警告捕食者它的刺有毒。海獭是海胆的主要捕食者。
The bright red color of a fire urchin warns predators that its spines are poisonous. Sea otters are the major predators of sea urchins.
它们能在含有对大多数其他植物有毒的高浓度金属的土壤中茁壮成长。
They can thrive in soil with high concentrations of metals that are toxic to most other plants.
在欧洲，人们多年来一直认为西红柿有毒，人们种植西红柿只是为了装饰。
Considered poisonous for many years in Europe, tomatoes were grown for decoration only.
浓密的数据烟雾将不会有所缓解，一些研究者担心这些数据烟雾可能是有毒的。
There will be little respite from the dense data smog, which some researchers fear may be poisonous.
其他哺乳动物如鸭嘴兽和一些鼩鼱是有毒的，这意味着它们会在体内产生一种毒素。
Other mammals, such as the platypus and some shrews, are venomous, meaning they produce a toxin internally .
由于它们缺乏氧气，沼泽沉积物中的硫化物含量很高，而硫化物对大多数植物都有毒。
Because they lack oxygen, marsh sediments are high in sulfides that are toxic to most plants.
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.
我们都听说过伞菌并且知道它们都是有毒的，但是很多人并不知道伞菌也是蘑菇的一种。
We have all heard of toadstools and know that they are poisonous, but what many people don't know is that a toadstool is actually a mushroom.
《有毒的童年》的作者苏·帕尔默非常担心，大多数三岁以上的女孩都对这种颜色感到疯狂。
Sue Palmer, writer of Toxic Childhood, is very worried that most girls over the age of three are crazy about the color.
环保人士和地方政府越来越关注于旧电子设备带来的有毒危害以及安全回收这些产品的成本。
Environmentalists and local governments are increasingly concerned about the toxic hazard posed by old electronic devices and the cost of safely recycling those products.
如果没有真正的无毒蛇，那些所谓的无毒蛇，比如蟒蛇和巨蟒，在它们进化过程中的某个阶段是有毒的吗？
If there are no truly non-venomous snakes, were the so-called non-venomous snakes, like constrictors and pythons, were they venomous at some point in their evolution?
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.
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.
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