Maintaining this fine balance is called maintaining homeostasis.

保持这种微妙的平衡被称为保持内稳态。

But this fine balancing act isn't the kidney's only skill.

这种好的调节平衡表现， 不是肾脏唯一能力。

Eventually, corrugated cardboard struck a fine balance between retaining heat without trapping too much moisture.

最后，披萨店就采用了瓦楞纸板来做披萨盒，既可以保温，又不会让太多湿气留在盒子里。

As the largest rainforest in the world, it plays a significant role in maintaining the fine balance of the Earth's ecosystem.

欢迎来到丛林，这是一片绿色的海洋，处处可闻各种动物的声音。这里是亚马孙雨林。作为世界上最 大的雨林，它在维系地球生态系统的微妙平衡上扮演着举足轻重的角色。

It is a fine balance: fur lining, dagging and excessively expensive cloth, may be an indicator of wealth and fashion but there is nothing to suggest they are aristocratic.

这是一个微妙的平衡：毛皮衬里、匕首和过于昂贵的布料，可能是财富和时尚的标志，但没有任何东西表明他们是贵族。

But it remains a fine balance, as people enjoy thinking they have found something new—the " aha" moment, as Mr Thompson calls it.

但是它保持着一种微妙的平衡，因为人们喜欢发现新东西的感觉，汤普森称之为" 啊哈" 时刻。

So there's a fine balance to be had between wearing the plaque away and not damaging your teeth and gums. We're brushing our teeth because we ate.

因此，在去除牙菌斑和不损坏牙齿和牙龈之间需要取得很好的平衡。我们刷牙是因为我们吃了。