The venting reminded scientists of the volcano's activity 20 years ago, when it built the dome following its catastrophic 1980 eruption.
The venting reminded scientists of the volcano's activity 20 years ago, when it built the dome following its catastrophic 1980 eruption.
这次喷射使科学家想起了圣海伦斯火山20年前的那次大爆发，自1980年那场灾难性的火山爆发后，圣海伦斯火山口形成了现在的圆顶状。