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1·As you suggested, the fish contains a toxic substance.

正如你提出过的那鱼含有毒性物质。

2·How should we tackle toxic substance contained in food?

面对食物中的有毒物质，我们应该怎么做？

3·Automobile exhaust tetraethyl lead is a highly toxic substance.

汽车尾气中的四乙基铅是剧毒物质。

4·Identification standards for hazardous wastes-Identification for toxic substance...

危险废物鉴别标准毒性物质含量鉴别。

5·PETA will help pay your $50,000 bill for substance addiction treatment if you'll rid yourself of one more toxic substance: meat.

PETA将支付入院期间50000美元的费用，只要你愿意放弃另外一项更不健康的物质：肉类。

6·Bisphenol a, a common compound found in many plastics, has been listed as a toxic substance in Canada but is still deemed safe in the U.S..

双酚a，在许多塑料产品中常用的一种物质，现在已经被加拿大写在有毒物质的清单上了，但是，在美国，它仍然被认为是安全的。

7·If you suspect your baby has taken a very toxic substance, call the emergency services and get the baby to hospital as soon as possible.

如果你怀疑你的宝宝已吞食了某种高毒性的物质，则应请求急救服务并尽快将宝宝带到医院救治。

8·While there are beneficial uses of the castor bean, which is not really a bean, the raw fruit of the plant contains the toxic substance ricin.

虽然蓖麻的豆子，不是真正的豆子，有所用处，但这种植物的生果实含有有毒物质蓖麻毒素。

9·Experts said the brightener, Benzoyl Peroxide, is not a toxic substance, but some manufacturers use an excessive amount to make flour whiter and brighter.

专家认为增白剂，过氧化苯甲酰，不是有毒物质，但一些制造商为让面粉更白更亮而造成过量使用。

10·Not only the accuracy is ensured, but also the toxicity in determination of Palladium content is reduced because of adding toxic substance of spectrophotometry method.

该法在保证测量精度的同时，减少了用分光光度法测定钯含量时因添加有毒试剂所带来的毒性。