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(xiàn)影像中尋找由活躍的火山作用或地熱所造成的熱點(diǎn)，不過(guò)目前為止一無(wú)所獲。 - All the thermal waters from this ares do not belong to the direct products of modern volcanic action.
新生代玄武巖分布地區的熱水非均屬于現代火山作用直接影響的產(chǎn)物。
