an area on a computer screen that you can click on to start an operation such as loading a file （屏幕上点击後即会启动程序的）热点区
a place in a hotel, restaurant, station, etc. that is fitted with a special device that enables you to connect a computer to the Internet without using wires 热点（安装在旅馆、饭店、车站等地方可以无线上网的特殊装置）◆a wireless/wi-fi hot spot 无线／无线保真上网热点