plug-in
noun/ˈplʌɡ ɪn/
/ˈplʌɡ ɪn/
- (computing) a piece of computer software that can be added to a system so that it can do more things
插件;外挂程序 - (Canadian English) a connection to an electricity supply in a garage, etc. so that you can use an electric heater to warm the engine of a car, so that it starts more easily
(连接车库等电源的)发动机预热器接线