a place where war or other fighting is likely to happen

The border has become a major hotspot. 边境地区已经变成了主要的热点。

a popular and exciting place

The Manhattan is one of the best hotspots in town. 曼哈顿是城里最热闹的地方之一。

a public place where you can use a computer, mobile phone, etc. with wi-fi (= a system for connecting electronic equipment to the internet without using wires)

There are wi-fi hotspots in all our cafés. 我们所有的咖啡馆里都有上网热点。