They occur primarily in regions of recent volcanic activity as hot, dry rock; natural hot water; or natural steam.
地热能主要以干热的岩石、自然热水或自然蒸汽的形式出现在近期火山活动的区域。
2
If it's too hot and humid to run outside, move your runs indoors to the treadmill or try a different activity, like swimming.
如果天气太热或者湿度太大而不能在外面跑步，在跑步机上跑步或者尝试另外一种活动，比如游泳。
3
You've probably heard of hot yoga and power yoga, but now there's another form of the physical and mental activity that's gaining popularity in India - water yoga.