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turn on 英 [tɜ:nɒn] 　美 [tɝnɑn]

设置

turn on

v. 打开；发动；取决于；使兴奋；攻击　

turn on some music.　打开一些音乐。

You can turn on and off access to any of these groups.　您可以打开或关闭对任何这些组的访问。

1. turn on some music.

打开一些音乐。
2. You can turn on and off access to any of these groups.

您可以打开或关闭对任何这些组的访问。
3. Since monitoring involves overhead, you should only turn on the monitor switch that matters most in your monitoring tasks.

因为监控包含了开销，所以您应该只打开在监控任务中最要紧的那个监控器开关。