间歇泉喷发时，水柱和蒸汽能冲到很高的空中。

The ___geysers shoot water and steam high into the air when they erupt.

我们酒店的锅炉坏了，现在只能用间歇性出热水的热水器。

The boiler in our hotel is broken, so we have to rely on the ___geysers that provide hot water intermittently.