单词：mount_saint_helens 

名词

• 
  [1.n.mount_saint_helens] (同义词:[Mount_Saint_Helens]  [Mount_St._Helens]  [Mt._St._Helens]  )
• 
  注释列句：an active volcano in the Cascade Range in southwestern Washington; erupted violently in 1980 after 123 years of inactivity
• 实 例 -> [volcano( n. 火山 )] 
  部分总称 -> [Cascades]  [Washington( n. 华盛顿 )] 
  所有总称 -> [Cascades]  [Washington( n. 华盛顿 )]