1.Advise everyone who comes in to contact with you that you may have been exposed to a toxic substance.
告知任何与你接触的人，你自己可能已经暴露在有毒的物质中。
2.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。
3.Oil on beaches is clearly a threat, since the toxic substance can affect shorebirds at all stages of their life cycles, Hoggard said.
“海滩上的油确实是一种威胁，并且有毒的物质会影响到海鸟生命周期的每个阶段。”霍格表示。
4.Lethal dose (LD): generally used to indicate a highly toxic substance on animal physiological effects of a strength.
致死量（LD）：一般用来表示剧毒物质对动物生理作用强度的一种尺度。
5.BBQ classes, kebabs, grilled fish: will produce a tar, is a toxic substance, carcinogenic.
烧烤类，烤肉串，烤鱼：会产生焦油，是一种有毒物质，致癌。
6.The Canadian government went so far as to ban it in baby bottles as well as listing it as a toxic substance.
加拿大政府甚至禁止它被用于婴儿瓶并且列它为有毒物质。
7." It is said that hundreds of thousands of women in the face and chest injected with a toxic substance, " Amazingel .
据说，有好几十万女性在脸部和胸部注射了有毒的物质“奥美定”。
8.endotoxin A toxic substance produced by microorganisms and retained within the cell until lysis occurs.
内毒素产生于微生物的有毒物质，而且在细胞里面直到细胞裂解为止。
9.Tetrahymena is unicell eucaryou, sensitive to toxic substance in environment, ideal indicator that forecast environmental pollution early.
四膜虫是一种真核单细胞原生动物，对环境中有毒物质的毒性反应敏感，是环境污染早期预报的理想指示物种。
10.But surely we wouldn't resort to injecting ourselves with a toxic substance that causes botulism, would we?
但想必我们不会对自己射入一些会引起肉毒中毒的有毒物质吧？