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。

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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。

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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.

也许你曾听说过高温瑜伽和活力瑜伽，但另一种形神结合的活动正在印度日益流行——水中瑜伽。

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And Austin became a hot bed of activity years ago.

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The blue square represents Windows (neutral, cool, in the background of everything like the sky in the XP homescreen.) The red square represents Office (active, constructive, hot like overheated brain activity.).

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