热点rèdiǎn 1.指某时期引人注目的地方或问题{hot spot (in a certain time period); centre of attention}: 古都西安成为旅游的～。{The ancient capital city of Xi'an has emerged as a popular tourist attraction.} 2.物理学上指温度高于周围环境的局部区域。{(physics) hot-spot; area with a higher temperature than in the surroundings}