每个进程从同一文件描述符(它只是一个包含数字1至7的文本文件)执行读取操作，并连同PID一起打印所读取的内容。

Each process reads from the same file descriptor (which is just a text file with the Numbers 1 through 7), printing what was read along with the PID.

youdao

起名赛文(Seven)主要是因为它象征着心灵的完美—世界有七大奇迹，彩虹也有七种颜色，而且在很多文化中，7 '也是一个幸运数字。

The main reason behind seven was it symbolises spiritual perfection - the seven wonders of the world, the seven colours of the rainbow - and in many cultures it is a lucky number.

youdao

赛尔夫发现了一个信封，上面有字母缩写“DMB”和数字6468。同时，文森特告诉“将军”，克里斯蒂娜要他在能源会议上发言；

Self finds an envelope with the initials DMB and the number 6468. Meanwhile, Sandinsky tells Krantz that Christina wanted him to speak at the conference;

youdao

赛尔夫发现了一个信封，上面有字母缩写“DMB”和数字6468。同时，文森特告诉“将军”，克里斯蒂娜要他在能源会议上发言；

Self finds an envelope with the initials DMB and the number 6468. Meanwhile, Sandinsky tells Krantz that Christina wanted him to speak at the conference;

youdao