2. Geysers
spout up where a column of underground water is heated to boiling by "magma, " or molten rock.
柱状地下水受到沸腾的“岩浆”(即融化了的岩石)加热便会喷出地表,形成喷泉。
3. It's a rapid chain reaction that makes the whole column boil at once, erupting a
spout high into the air.
马上产生了一系列连锁反应当使得整个水柱立刻沸腾,泉水突然喷发到空中。