这种气体有剧毒。
Burning sulphur creates poisonous fumes.
燃烧的硫磺会产生有毒烟雾。
Poisonous chemicals got into the water supply.
有毒的化学药品进入了供水系统。
There are hundreds of poisonous spiders and snakes.
有数百种毒蜘蛛和毒蛇。
The leaves of certain trees are poisonous to cattle.
某些树的叶子会毒害牲畜。
All parts of the yew tree are poisonous, including the berries.
紫杉树全身都有毒，包括其果实。
Our cars pump out thousands of tonnes of poisonous fumes every year.
我们的汽车每年排放出成千上万吨的有毒尾气。
In remote regions, the air is pure and the crops are free of poisonous insecticides.
在偏远地区，空气是纯净的，庄稼也不用有毒的杀虫剂。
There's absolutely no regulation of cigarettes to make sure that they don't include poisonous substances.
绝对没有确保香烟不含有毒物质的规定。
Electronic wastes also contain many poisonous metals.
电子垃圾也会含有很多有毒金属物。
The poisonous heavy metal is one of the major pollutants.
有毒重金属是主要污染物之一。
Some plants are poisonous and should be handled with care.
有些植物有毒，必须小心对待。
Victims may be exposed to poisonous or radioactive minerals.
受害者可能接触到了有毒或放射性矿物。
Rat snakes aren't poisonous or a threat to people generally.
鼠蛇一般没有毒，对人也没有威胁。
A lot of poisonous waste water comes from that chemical factory.
那个化工厂排出大量有毒的废水。
Imagine what these poisonous substances can do to your own body.
想象一下这些有毒物质会对你的身体造成什么影响。
Gasoline still contains lead, which is extremely poisonous to humans.
汽油仍然含有铅，对人体有剧毒。
Snake venom is a mixture of proteins, some toxic, poisonous, and some not.
蛇毒是一种蛋白质的混合物，有些有毒，有些没毒。
The process allows many poisonous substances to escape into the environment.
这个过程让许多有毒物质进入到了自然环境中。
Considered poisonous for many years in Europe, tomatoes were grown for decoration only.
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。
Some poisonous substances are flowing into the rivers that are sources of our drinking water.
一些有毒物质流入我们作为饮用水的河流中。
If she had been aware that the mushroom was poisonous, she wouldn't have picked it for dinner.
要是知道这蘑菇有毒，她也不会采来做晚餐了。
In the darkness, she did not see it. It was a poisonous snake whose tail was caught in the trap.
在黑暗中，她没有看见它，其实它是一条毒蛇，它的尾巴掉进了陷阱里。
There will be little respite from the dense data smog, which some researchers fear may be poisonous.
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。
Though there are more eatable plants, there may also be wild animals, poisonous snakes, and other hazards.
虽然沿途有更多的可食用植物，但同时也可能有野兽、毒蛇和其他的危险。
A 66-year-old Florida mailman doing his rounds was bitten by a poisonous snake when he put mail inside a mailbox.
一位66岁的佛罗里达邮递员正在送信，当他往一个邮箱塞信的时候，一条有毒的蛇了他一口。
"No one expected Venus to be the poisonous hell that it is, or Mars to have the river valleys that it does," he said.
“没有人能够预料到，金星是那样一个充满毒气的地狱，而火星表面却有河谷。”他说。
Industrial waste is even more harmful since there are many highly poisonous materials in it, such as copper and lead.
工业废料更有害，因为其中有许多毒性很强的材料，如铜和铅。
Ok, venomous snakes are the ones that secrete poisonous substances or venom, like the snakes of the viper family or cobras.
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。
The bright red color of a fire urchin warns predators that its spines are poisonous. Sea otters are the major predators of sea urchins.
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。
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