volcanic process的用法和樣例：
例句
- Researchers have looked for active volcanic or geothermal hot spots in nighttime infrared images but so far have seen none.
研究人員嘗試在夜間紅外線影像中尋找由活躍的火山作用或地熱所造成的熱點，不過目前為止一無所獲。 - All the thermal waters from this ares do not belong to the direct products of modern volcanic action.
新生代玄武岩分佈地區的熱水非均屬於現代火山作用直接影響的產物。
