The pattern is not unlike what one sees in some geysers, which slowly heat up, boil off their supply of groundwater in a spectacular display, refill, and repeat the cycle, day in and day out, year after year.

• 这样的模式类似于某些间歇泉，缓慢的加热，然后在一次壮观的喷发中排出所有蓄积的沸腾地下水，然后再重新蓄水，重复上述循环；日复一日，年复一年。