buffer是一个英语单词，可以用作名词和动词，可以翻译为缓冲器、缓冲区、缓冲液、缓冲器；缓冲、缓和等。

以下是三个中英文例句：

The computer has a built-in hard drive as a buffer.

计算机有一个内置的硬盘作为缓冲器。

The company has a cash buffer to see it through any lean years.

公司留有现金储备，以便度过任何经济拮据的年头。

The letter was written in order to buffer the blow of the bad news.

写这封信是为了减轻这则坏消息带来的打击。