I have to buy a new dry cell.

我必须买一节新的干电池了。

youdao

Suppose we connect a voltmeter across a dry cell.

假定我们在干电池两端接上伏特计。

youdao

Suppose we connect a volt meter across a dry cell.

假定我们在干电池两端接上伏特计。

youdao

Suppose we connect a volt meter across a dry cell.

假定我们在干电池两端接上伏特计。

youdao