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解。

There are now some plastics that will naturally biodegrade.

现在有一些塑料可以自然生物降解。

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

在过去，环流中的天然垃圾已经被生物降解。

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

菠萝由需要很才能被生物降解的高强度纤维素构成。

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计成随着的推而生物降解或分解。

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

当自然细菌将垃圾分解成越来越小的碎片，垃圾就会被生物降解。

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

如果垃圾真的能被生物降解并转化为气体，那垃圾就会消失，所以是可取的。

So if they can biodegrade plastic, could they be the answer to our planet's massive plastic problem?

那么，如果它们能生物降解塑料，它们会是解决地球上大量塑料问题的答案吗？

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，这是真的生物降解，而不是将垃圾分解成没人能看见的小块。

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

这种由海藻制成的包装可以装饮料和酱料，并且能够在几周内被生物降解。

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解， 所以一旦它在地下， 它就会留在那里。

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

我一直认为塑料不能生物降解，但事实并非如此。

Unfortunately, it only biodegrades under certain conditions.

不幸的是，它仅在某些条件下才会生物降解。

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

这是个问题， 因为塑料不会生物降解。

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，花盆会发生生物降解，最终，它们变成了植物的肥料。

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解：塑料。

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， 可以容纳一杯咖啡达 40 分钟， 并会在数周内生物降解。

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.

塑料不会生物降解，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.

然后随着它生物降解，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解材料，塑料袋为光降解材料，意味着塑料袋会随着变成更小更加有毒性的无知。