If the child dies before the parent, a signal is sent to the parent, and then the child moves to a zombie state until the signal is acknowledged, or the parent process is killed.
如果子进程在父进程之前终止，则会向父进程发送一个信号，然后子进程转变为僵死状态，直到该信号得到确认，或父进程被终止。
If you come across a parent, a teacher, or a neighbor working on something, ask if you can help.
看到父母、老师或者邻居在忙什么的时候，问一句能不能帮手。
A parent, a friend, a relative, perhaps the media taught you something that you wish you never learned.
父母、朋友、亲戚，甚至是媒体教会了你一些你根本不希望了解到的东西。
If you come across a parent, a teacher, or a neighbor working on something, ask if you can help. If they say "yes", do so - you may learn something new.
你若遇见父母、老师或邻居在做事情，应询问是否可以帮助他们，若他们说“可以”，你去帮助他们们-你很可能学会做新的事情。
If you come across a parent, a teacher, or a neighbor working on something, ask if you can help.
当你父母，老师，或者邻居正在做什么，请询问是否需要帮忙。
If you come across a parent, a teacher, or a neighbor working on something, ask if you can help.
当你父母，老师，或者邻居正在做什么，请询问是否需要帮忙。
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