• Dioxin is the most toxic man made substance known to science.

    二恶英目前科学上已知人造物质

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  • Nitrite is a substance that is toxic to fish and invertebrates.

    亚硝酸盐一种有毒物质鱼类无脊椎动物有毒

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  • A substance having a specific toxic effect on certain cells.

    真菌感染能产生一些有害物质—枝毒素。

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  • A substance having a specific toxic effect on certain cells.

    真菌感染能产生一些有害物质—枝毒素。

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