To connect or be connected to in the manner of an electrical appliance:以电器的方式联结或被联结：The local system is plugged into the national telephone network. This computer plugs into a data bank.这个地区性电话系统已与全国的电话网连接。这台计算机与资料库连线
Slang To cause to be closely attuned or responsive to:【俚语】 使与…紧密协调，使与…产生共鸣：connoisseurs who are plugged into the current art scene.与当前的艺术景观产生共鸣的鉴赏家