这里是一个示例的情况：假设我们有一个现存的文件系统安装在 /tmp。

Here's an example scenario: let's say that we have an existing filesystem mounted at /tmp.

youdao

从申狸的旅客在这里帮助我们了解燃料电池的运作，它的使用培训，并帮助我们安装在巴士的燃料电池。

The visitors from Shen Li were here to help us understand the fuel cell operation, train us in its use and to help mount the fuel cell in the buses.

youdao