A unity invariably tends to break up into different parts.

统一体总要分解为不同部分的。

《新英汉大辞典》

Once a week you will break up into discussion sections.

每周有一次你们都将被分成讨论小组。

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Yet at the same time China has refused to break up into a warring mess of baronries, as many western experts had predicted.

然而，与此同时，没有像许多西方专家预测的那样，中国一直拒绝演变成混乱的交战状态。

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Once a week you will break up into discussion sections.

每周有一次你们都将被分成讨论小组。

耶鲁公开课 - 死亡课程节选

For example, in terms of the atomic theory of matter, at the time at the turn of the Century, the understanding was that atoms were the most basic constituent of matter, meaning you couldn't break atoms up into anything smaller - that was it, you're done.

例如在原子理论中,在19，20世纪之交的时候,人们认为原子是,组成物质的最基本粒子,也就是说你不能,把原子再分割了,就这样了。

麻省理工公开课 - 化学原理课程节选

I have yet to show you the solution to a wave function for the hydrogen atom, so let me do that here, and then we'll build back up to probability densities, and it turns out that if we're talking about any wave function, we can actually break it up into two components, which are called the radial wave function and angular wave function.

我还没有给你们看过,氢原子波函数的解，让我现在给你们看一下，然后再来说,概率密度，实际上,对于任何一个波函数来说，我们可以把它,分解为两部分，分别叫做径向波函数,和角向波函数。

麻省理工公开课 - 化学原理课程节选

The corporate entities for which these people work also tend to break up into smaller pieces or get merged into larger ones.

FORBES: Women Lawyers: Impressive Successes and Babies at 50

Traveling through the sky at a few kilometers per second, friction with the air can cause the meteor to break up into several pieces.

CNN: Meteor shows why it is crucial to keep an eye on the sky

Although electrospun bovine serum albumin does not actually break up into droplets, the resulting threads have been so short and irregular as to be useless.

ECONOMIST: Monitor