volcanic action meaning in English
火山活动
火山作用
Examples
- Evidence collected by the spacecraft on mars shows some present volcanic action ,
太空船搜集到的证据显示火星上仍然有火山运动存在, - Tok islet came into being as a volcanic action and consists of the east and west islets and the other rocky islets
由于火山作用生成的独岛，由东岛西岛和小岛屿组成。