Burning sulphur creates poisonous fumes.
燃烧的硫磺会产生有毒烟雾。
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。
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。
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。
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。
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。
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。
The meat of some species is a delicacy in both Japan and Korea, but the skin and certain organs of many pufferfish are poisonous to humans.
在日本和韩国一些物种的肉被视为珍馐，但是问题是许多河豚鱼的表皮和特定的器官是对人有毒的。
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.
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。
This extremely poisonous carbon compound happens to be very reactive, allowing it to lock in hugely complex but stable chains of other molecules.
这种剧毒的碳化合物碰巧是非常活泼的，这使得它能够锁定在非常复杂但是稳定的其他分子链中。
While there are signs that a mushroom is poisonous, they are not consistent, and all mushrooms of unknown origin should be considered dangerous to eat.
尽管有特征说明蘑菇是有毒的，但它们是不一致的，所有来历不明的蘑菇都应该被认为是有危险的食物。
Such assistance was essential in identifying potential dangers—poisonous species, unpredictable rivers, uncharted territories—which could mean the difference between life and death.
这种援助对于查明潜在危险——有毒物种、不可预测的河流、未知领域——至关重要，那些危险可能意味着生死之差。
As the legend has it, Shen Nong tasted hundreds of wild plants to see which were poisonous, in order to prevent people from eating the poisonous plants.
传说中，为了防止人们食用有毒的植物，神农品尝了数百种野生植物，看哪些是有毒的。
Anti-venin is what they give people after they have been bitten by a poisonous snake.
抗蛇毒血清是用来给被毒蛇咬伤的人注射的。
According to a legend, Shen Nong tasted hundreds of wild plants to stop people from eating poisonous plants.
相传，神农品尝了数百种野生植物，以防止人们食用有毒植物。
We found the red mushroom which cured me after I couldn't breathe because of a poisonous (有毒的) plant.
因一株有毒植物导致无法呼吸后，我们找到了治愈我的红蘑菇。
The polluted air becomes poisonous to health, so it is the high time that we took actions to protect the environment.
被污染的空气有害健康，所以我们是时候采取行动保护环境了。
Immigrants are quickly fitting into this common culture, which may not be altogether elevating but is hardly poisonous.
移民们很快就适应了这种共同的文化，这种文化可能并不完全发人深思，但也几乎没有害处。
Indeed, some nudibranchs store up toxins from their diet of poisonous sponges, making the slug-like creatures themselves deadly to predators.
事实上，一些裸鳃亚目动物会从它们的食物中储存毒素，使得这种类似鼻涕虫的生物对捕食者来说是致命的。
These chemicals can emanate certain poisonous gases.
这些化学药品会散发出某些有毒的气味。
These chemicals can emanate certain poisonous gases.
这些化学药品会散发出某些有毒的气味。
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