dummy plug

例句：

1. 1.The dummy plug was a clever way to hide the cables.
   这个假插塞是巧妙地隐藏电缆的方法。
2. 2. He used a dummy plug to distract his boss during a meeting.
   他在会议期间用一个假插塞来分散老板的注意力。
3. 3. The engineer replaced the dummy plug with a real one to fix the issue.
   工程师用一个真正的插塞替换了假插塞来解决问题。