plug-in

1. ADJ A plug-in machine is a piece of electrical equipment that is operated by being connected to an electricity supply or to another piece of electrical equipment by means of a plug. (指接上電源或另一電子設備就可以工作的) 插入式的; 帶插頭接點的[ADJ n]

...a plug-in radio. …一台可外接電源的收音機。

2. N-COUNT A plug-in is something such as a piece of software that can be added to a computer system to give extra features or functions. (計算機軟件的) 插件[計算機]

Some websites make it seem like you need to download a plug-in or program to access the site. 有些網站設計得似乎需要下載一個插件或程序才能進入訪問。