[transitive] (-gg-) to provide sth that has been missing from a particular situation and is needed in order to improve it填补◆A cheaper range of products was introduced to plug the gap at the lower end of the market.推出了较廉价的产品系列以填补低端市场的缺口。 (Marketing 营销) to give praise or attention to a new product, book, CD, etc. in order to encourage people to buy it推广；宣传◆She came on the show to plug her latest album.她出现在节目中推广她最新的唱片专辑。 SYN promote ●ˌplug sth ˈinto sth (IT 信息技术) to connect a computer to a computer system把（计算机）联网◆All our computers are plugged into the main network.我们所有的计算机都已联入主干网络。●ˌplug ˈinto sth(about a piece of electrical equipment) to be able to be connected to the main supply of electricity or to another piece of electrical equipment（电器）能连接◆The modem plugs into the USB port on your laptop.调制解调器可插到笔记本电脑的 USB 接口。to become involved with a particular activity or group of people参与；加入◆The company has doubled its profits since plugging into lucrative overseas markets.这家公司自从进入利润丰厚的海外市场以后，利润翻了一番。