一旦将一行读入模式缓冲区，它就执行'd '命令，然后打印模式缓冲区的内容(在本例中没有内容)。

Once a line was read into the pattern buffer, it performed the 'd' command and printed the contents of the pattern buffer (nothing in this example).

youdao

一旦将一行读入模式缓冲区，它就执行'd '命令，然后打印模式缓冲区的内容(在本例中没有内容)。

Once a line was read into the pattern buffer, it performed the 'd' command and printed the contents of the pattern buffer (nothing in this example).

youdao