第三人称单数： biodegrades
过去式： biodegraded
过去分词： biodegraded
现在分词： biodegrading

Latex condoms take years to biodegrade in landfills and polyurethane and polyisoprene condoms may never decompose .

乳胶避孕套在垃圾填埋场需要数年才能生物降解，聚氨酯和聚异戊二烯避孕套可能永远也不会分解。

That can mean sharing hearses , or using home-grown flowers and coffins made with cardboard ( pictured ) or willow , which biodegrade easily .

这可意味着共用灵车，或使用自产鲜花以及由硬纸板（如图）或柳木制成的棺材，它们更易被生物降解。

And goods that don 't biodegrade readily , like many plastic bags , can generate costly waste streams .

还有像塑料袋这样的很难自然降解的产品，可以带来一系列的资源浪费。

Another type of bag is oxo-biodegradable , which will biodegrade if exposed to air or water , but not inlandfill and the cost to make them is much higher .

任何一种袋子都是氧化生物降解的，将它们置于空气中或者水中都会降解，但不是在垃圾填埋场里，而且制造成本高很多。