Organic cotton is a great filling material for mattresses since it is natural, non-toxic, firm and breathable.
有机棉是很好的填充物，它完全是自然无害的，结实并且透气。
This chemical chain of events could affect the organic material dissolved in the pond water - turning harmless organic material into substances that are toxic to aquatic animals.
这样的事件化学链可能影响到溶解在池塘水中的有机物质——把无害的有机物质转变为对于水生动物有毒的物质。
This chemical chain of events could affect the organic material dissolved in the pond water - turning harmless organic material into substances that are toxic to aquatic animals.
这样的事件化学链可能影响到溶解在池塘水中的有机物质——把无害的有机物质转变为对于水生动物有毒的物质。
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