There are now some plastics that will naturally biodegrade.

现在有一些塑料可以自然生物降。

One of the problems with instruments is that the materials biodegrade.

乐器的一个问题是它会被会生物降。

In the past, natural wastes in the gyre have biodegraded.

在过去，环流中的天然经被生物降。

But let's make sure it's really biodegrading and not just degrading into small pieces that nobody can see.

但我们要确保，这是真的生物降，而不是将分没人能看见的小块。

The coconut-based material is designed to biodegrade, or break down, over time.

这种以椰子为基础的材料被设随着时间的推移而生物降或分。

The plant is made of strong cellulose that takes a long time to biodegrade.

菠萝由需要很长时间才能被生物降的高强度纤维素构。

Waste is biodegraded when natural bacteria break the waste into smaller and smaller pieces.

当自然细菌将分来小的碎片时，就会被生物降。

If it actually biodegrades and is converted to gas, then the litter would disappear, and that's desirable.

如果真的能被生物降并转化为气体，那就会消失，所以是可取的。

And this is a problem, because plastic doesn’t biodegrade.

这是个问题， 因为塑料不会生物降。

I always thought plastic couldn't biodegrade, but that's not true.

我一直认为塑料不能生物降，但事实并非如此。

And because most plastic doesn’t biodegrade, once it’s in the ground, it stays there.

而且因为大多数塑料不会生物降， 所以一旦它在地下， 它就会留在那里。

Unfortunately, it only biodegrades under certain conditions.

不幸的是，它仅在某些条件下才会生物降。

But there's one particularly widespread type of material that almost no microbes can biodegrade: plastics.

但是有一种特别普遍的材料几乎没有微生物可以生物降：塑料。

The packaging, made out of seaweed, can hold drinks and sauces and is able to biodegrade in a matter of weeks.

这种由海藻制的包装可以装饮料和酱料，并且能够在几周内被生物降。

So, they actually get planted with the plant in the ground, and as they biodegrade, they become a fertilizer for the plant.

直接把花盆放入土壤，花盆会发生生物降，最终，它们变了植物的肥料。

It is apparently sweet and crisp, can hold a coffee for up to 40 minutes and will biodegrade within weeks.

它显然又甜又脆， 可以容纳一杯咖啡长达 40 分钟， 并会在数周内生物降。

With one catch: plastic doesn't biodegrade, which means even though it's really easy to throw away, it's really hard to get rid of.

塑料不会生物降，这意味着即使塑料很容易扔掉，但它很难消除。

And then as it biodegrades, you're building up methane that methane is gonna be pumped out and put to beneficial use, usually as energy.

然后随着它生物降，你会积累甲烷，甲烷将被会抽出并用于有益的用途，通常是用作能源。

Unlike items that naturally biodegrade, plastic bags photodegrade, meaning that over time the plastic breaks down into smaller, more toxic substances.

不同于其他的生物降材料，塑料袋为光降材料，意味着塑料袋会随着时间变更小更加有毒性的无知。

They invented bioplastics that are certified to biodegrade in various environments including water, with some of their plastics degrading almost as well as cellulose.

他们发明了生物塑料， 经认证可以在包括水在内的各种环境中进行生物降，其中一些塑料的降性几乎与纤维素一样。