紫杉树全身都有毒，包括其果实。
All parts of the yew tree are poisonous, including the berries.
太多的有毒废料在向大海里倾倒。
有毒的化学药品进入了供水系统。
有毒化学品有爆炸后进入空气的危险。
There is a risk that toxic chemicals might be blasted into the atmosphere.
铅可以在体内积聚直至到达有毒的程度。
Lead can accumulate in the body until toxic levels are reached.
工厂的有毒废弃物污染了大段大段的河流。
Large sections of the river have been poisoned by toxic waste from factories.
当地工厂排放的有毒废弃物污染了这条河。
The river has been polluted with toxic waste from local factories.
应有对这些有毒化学品的使用的慎重考虑。
There should be careful consideration about the use of such toxic chemicals.
在偏远地区，空气是纯净的，庄稼也不用有毒的杀虫剂。
In remote regions, the air is pure and the crops are free of poisonous insecticides.
那个化工厂排出大量有毒的废水。
A lot of poisonous waste water comes from that chemical factory.
有些植物有毒，必须小心对待。
有毒重金属是主要污染物之一。
鼠蛇一般没有毒，对人也没有威胁。
Rat snakes aren't poisonous or a threat to people generally.
没有鱼能在这个天然有毒的湖中生存。
要是塑料和橡胶被焚，就会放出有毒的气体。
If plastic and rubber are burnt, they'll give off poisonous gases.
否则，没有鱼能在这个天然有毒的湖中生存。
Otherwise, no fish are able to survive in the naturally toxic lake.
这个过程让许多有毒物质进入到了自然环境中。
The process allows many poisonous substances to escape into the environment.
它们可能会吃一些有毒的东西，损害它们的健康。
比如无毒的蝴蝶，变得与有毒的那些看起来一样。
Like, non-poisonous butterflies, that have come to look like poisonous ones.
蛇毒是一种蛋白质的混合物，有些有毒，有些没毒。
Snake venom is a mixture of proteins, some toxic, poisonous, and some not.
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.
她的血液中发现有毒素。
她的血液中发现有毒素。
你怎么知道里面有毒药呢？
你认为它有毒吗？
只有一些稀有物种产生有毒的单端孢霉烯。
Only a few rare species are known to produce the toxic trichothecenes.
还有人担心有毒的汞的处理。
There are also concerns about the disposal of the toxic mercury.
还有人担心有毒的汞的处理。
There are also concerns about the disposal of the toxic mercury.
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