ph.
1. （将插头插入插座）给…接通（电源）
If you plug a piece of electrical equipment into an electricity supply or if you plug it in, you push its plug into an electric socket so that it can work.
2. 把（某一电器）与（另一电器）连接
If you plug one piece of electrical equipment into another or if you plug it in, you make it work by connecting the two.
3. （某一电器以电线或导线）连接（电源），与（另一电器）相接
If one piece of electrical equipment plugs in or plugs into another piece of electrical equipment, it works by being connected by an electrical cord or lead to an electricity supply or to the other piece of equipment.
4. 将…塞入； 用…堵住
If you plug something into a hole, you push it into the hole.