Volcanic activity has created thermal springs and boiling mud pools.

火山活动产生了温泉和沸腾的泥浆池。

《柯林斯英汉双解大词典》

A nearby volcano erupted violently, sending out a hail of molten rock and boiling mud.

一座附近的火山猛烈爆发，喷出大量熔岩和沸腾的泥浆。

《柯林斯英汉双解大词典》

Still central to Rotorua's tourism offering is its accessibility to thermal activity such as hot-water geysers and boiling mud pools, plus the opportunity to engage in Maori culture.

当前，罗托鲁瓦旅游业的主导核心仍然是与地热相关的各式活动，游客不仅能体验近在咫尺的热水间歇泉、沸腾泥浆池，还能有机会与毛利文化作近距离接触。

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The sea which used to be clear blue was like mud water and it was as if it was boiling up and gaint waves were coimng on to the land.

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