将一段时间内的多个客户端操作分组到一个原子(不可分割)单元。

Groups multiple client actions over a span of time into an atomic (indivisible) unit.

youdao

事务以完整的方式完成，或者分步完成；也就是说，事务可能不可分割，也可能可以分割成原子。

A transaction is either completed in its entirety or not at all; that is, it is indivisible or atomic.

youdao

在过去有很多年原子一直被认为是不可分割的。

For many years the atom was believed to be indivisible.

youdao

These are the planks of his model, that matter is composed of atoms that are indivisible and indestructible.

这些是，他的模型的一些内容，物质是有原子组成的,不可分割且不可毁灭的。

麻省理工公开课 - 固态化学导论课程节选