Plug-in

例句：

1. 1. 插入
   电源、设备等
2. 1. The computer needs to be plugged in before it can start.
   电脑需要插上才能启动。
3. 2. She plugged her phone into the charger and turned on the music.
   她把手机插到充电器上，打开了音乐。
4. 3. The new software requires you to plug in your device for activation.
   新软件要求你插上设备以激活。