But to keep it cleaned up.

但需要定期清理。

How do they keep it clean?

那如何清洁这幢建筑呢？

We can all help keep it clean.

我们都可以帮忙保持这里干净。

For a start, it's tricky to keep it clean.

首先，想保持干净就有点难度。

In return for safety, clownfish provide nutrients to the anemone and keep it clean of parasites.

作为对安全的回报，小丑鱼为海葵提供营养，并使其远离寄生虫。

He kept it clean and spent hours polishing it with the tips of his wing feathers.

他为了保持它的清洁，常常一连花好几个钟头的工夫用他的翅膀尖来擦它。

Just running it under some water in the sink with some soap is usually enough to keep it clean.

只需在水槽那里涂一些肥皂，放在水下冲洗通常就足以保持清洁。

You need to keep it clean. Definitely. It's like an open wound really. You have to keep it clean and not let it dry out so.

当然你要保持纹身的清洁。其实纹身就像开放的伤口一样。你要保护纹身的清洁，不要让它过于干燥。

The benefit of having the oysters in the bays is that they're processing the water and helping to keep it clean.

将牡蛎放在海湾的好处是，它们可以处理水，并帮助保持水的清洁。

Each time you blink, a little bit of liquid, we call tears, covers your eye to keep it clean, moist, and protected.

每次你眨眼时，都会有一点液体，我们称之为泪水，覆盖在你的眼睛上，以保持它的清洁湿润，为它提供保护。

But your napkin is your friend, so feel free to use it throughout the meal to blot your mouth and keep it clean.

餐巾纸也起到了很大作用，整个用餐过程中，你都可以用它来擦拭嘴巴，保持干净。

Thanks for keeping it clean, Thought Bubble.

感谢您保持清洁，Thought Bubble。

So your friend has car, he looks after it very well. He keeps it clean, keeps it clean.

所以你的朋友有车， 他保养得很好。 他保持干净， 保持干净。

Since they live in one house with their parents, they should know that everyone should do their part in keeping it clean and tidy.

由于他们和父母住在一个屋子里，他们应该知道每个人都应该为保持屋子的干净和整洁出一份力。

You keep it clean these days?

最近手脚干净吗？

But for today, we'll keep it clean.

但今天，我们要保持清洁。

I just would like the record to show I kept it clean here.

我只是希望记录显示我在这里保持干净。

This is our world, let's keep it clean.

这是我们的世界，让我们保持干净。

One thing that I really like at a park is if people keep it clean.

我在公园真正喜欢的一件事是人们是否保持公园清洁。

But does that make it my job to keep it clean?

但是保持它的干净是我的职责吗?