The address specifies the line or lines to work on (the default is the current line), and it can be given in a number of ways.

address指定要处理的一行或多行(缺省为当前行)，并且可以通过多种方式进行指定。

youdao

GetNextChar USES a buffer to hold one line of input. Two variables store the current line number and the next position in the line.

GetNextChar使用了一个缓冲区来存放一行输入。

youdao

In our example, a token cannot span multiple lines, therefore first_line and last_line are the same and hold the current line number.

在我们的例子中，一个符号不能跨越多行，因此first_line和last_line是相同的，它们都保存了当前的行号。

youdao

It was only after several rifts and a temporary break-up that the current line-up was assembled.

CNN: Hands up, I'm an Iron Maiden fan

In terms of talent, the current line-up is not without hope (see article).

ECONOMIST: Barack Obama and the Republicans

But the general thrust is in line with the current line from Mitt Romney's campaign.

BBC: Ex-Seals attack Obama's 'leaks' over Bin Laden