Dioxin is the most toxic man made substance known to science.
二恶英是目前科学上已知的最毒的人造物质。
Nitrite is a substance that is toxic to fish and invertebrates.
亚硝酸盐是一种有毒物质,对鱼类和无脊椎动物有毒。
A substance having a specific toxic effect on certain cells.
真菌感染能产生一些有害物质—毒枝毒素。
A substance having a specific toxic effect on certain cells.
真菌感染能产生一些有害物质—毒枝毒素。
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