This state keeps a socket around for two to four minutes after its close.
该状态在套接字关闭后约保留2到4分钟。
The development team works without interruption for short durations (usually two to four weeks).
开发团队在短时间内不间断地进行工作(通常为两到四周)。
I have English class from two to four o 'clock.
我下午两点至四点上英语课。
I have English class from two to four o 'clock.
我下午两点至四点上英语课。
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