volcanism的用法和樣例：
例句
用作名詞 (n.)
- The volcanism is strong in Cenozoic and has several periods.
凹陷中新生代火山作用強烈，也具有多期性。 - The formation of auriferous strata was controlled by volcanism and eustacy.
火山作用和海平面變化對含金地層的形成起到了控制作用。
辭彙搭配
- sedimentary volcanism 沉積火山作用...
- bimodal volcanism 雙峰火山作用...
- bimodal rift volcanism 雙模式裂谷火山活動...
