volcanic water的意思|示意

Water and heat from volcanic activity are two basic conditions needed for life to form.

火山活动所散发的热量和水是形成生命的两个基本条件。

The Romans observed that, when volcanic ash mixes with water and then cools, it gets extremely hard and almost impossible to break up.

罗马人观察到，当火山灰与水混合然后冷却，火山灰变得非常坚硬，几乎不可能分解。

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。