n.爆發(fā)；噴發(fā)；出疹；長牙
A few days later, Vesuvius was in violent eruption. 幾天以后，維蘇威火山猛烈爆發(fā)了。
Each layer of color represents an eruption. 這一層顏色就代表一次噴發(fā)。
So eruption of volcanoes is one way of producing igneous rocks. 那么火山噴發(fā)是形成火山巖的一種方式羅。
