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1·Not only that, permethrin biodegrades quickly so that it won't harm the environment in any way.

不仅如此，二氯苯醚菊酯进行生物递级降解的速度也很快，不会对环境造成任何危害。

2·A special formulation of biodegradable polymer was developed that produces a high quality finish but which also biodegrades easily in compost.

其一是研究人员进一步研发了一种特殊可降解型聚合体使得手机外壳可以在肥料中轻松分解。

3·Crude oil is a natural product which disperses and biodegrades in the ocean fairly rapidly, although some of it may remain over the longer term.

原油是一种自然产物，在海里能够相当快的分解和降解，尽管有一部分还是会停留很长一段时间。

4·The experimental contrast of the same strain of bacteria that biodegrades phenol in immobilized cell state and in free cell state proved that red brick fragments is a fine carrier material.

通过同一菌种在固定状态和游离状态降解含酚废水的实验对比，证明红砖碎粒是一种优良的载体材料。