a computer, mobile phone, or a specially designed device from which people can connect to the internet by wi-fi, without having to connect to a public wi-fi point; the use of a mobile phone in such a way

There's an app that will turn your phone into a mobile hotspot for free. 有一款应用可以将你的手机免费变成移动热点。

Mobile hotspot functionality allows up to eight WiFi-enabled devices to connect simultaneously to the internet. 移动热点功能可以让最多八个可使用WiFi的设备同时连接到互联网。