plug-inWiktionary 原文/ˈplʌɡ.ɪn/词源说明Deverbal from plug in.释义形容词adjective1Designed to be plugged into an electrical power outlet or circuit.2Able to be extended with further components in a modular fashion.名词noun1Anything that plugs into something.2(computing) A module or device that interacts with another to add a specific feature or function.3An electric vehicle that can be recharged from an external power source同族词相关词 1drop-in