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.

现在有一些塑可以自然生物降解。

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被设计成随着时间的推移而生物降解或分解。

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可以，且能够在几周内被生物降解。

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，甲烷将被会抽出用于有益的用途，通常是用作能源。

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.

塑不会生物降解，这意味着即使塑很容易扔掉，但它很难消除。

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。

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。

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，它们会是解决地球上大量塑问题的答案吗？

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时，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转化为气体，那垃圾就会消失，所以是可取的。

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。

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

而且因为大多数塑不会生物降解， 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，它只有在特定条件下才能被生物降解。

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

这是个问题， 因为塑不会生物降解。

The estimates about how long plastic takes to biodegrade range from 450 years to never.

关于塑需要多长时间才能生物降解的估计从450年到永远不降解不等。

They are a threat to the environment because they do not easily biodegrade, and recent research has found them in dust, food, fruit, bottled water and, as a result, animal and human faeces.

它们对环境构成威胁， 因为它们不易生物降解，最近的研究在灰尘、食物、水果、瓶水以及动物人类粪便中发现了它们。

They are more sustainable than nitrile gloves because natural rubber absorbs carbon dioxide rather than producing it, and they should biodegrade in about a year.

它们比丁腈手套更具可持续性， 因为天然橡胶吸收二氧化碳而不是产生二氧化碳，且它们应该在大约一年内生物降解。

So that's sort of designing drugs that biodegrade more quickly in the environment or become less toxic after use.

因此，这有点像设计在环境中更快生物降解或在用后毒性降低的药物。