“turn on”是打开、发动的意思。

1、turn on读音：[tɝn ɑn]

2、短语：Turn Wireless On 打开无线 turn-on condition 开通条件3、例句：（1）打开一些音乐。Turn on some music. （2）您可以打开或关闭对任何这些组的访问。You can turn on and off access to any of these groups. （3）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。Since monitoring involves overhead, you should only turn on the monitor switch thatmatters most in your monitoring tasks.