Mount St Helens
/ˌmaʊnt snt ˈhelənz/
/ˌmaʊnt seɪnt ˈhelənz/
- a volcano (= a mountain from the top of which melted rock and gases can explode with great force) in the Cascade Range of the US state of Washington. It erupted in 1980 for the first time in 120 years killing about 60 people, and causing damage to the surrounding area. The explosion reduced the height of the mountain by over 1 000 feet/300 metres. There have been several weaker eruptions since.
圣海伦火山（Mount St Helens）：位于美国华盛顿州的喀斯喀特山脉的一座火山。它于1980年爆发，这是120年以来的第一次，造成约60人丧生，并对周边地区造成了破坏。爆炸使这座山的高度减少了1000英尺/ 300米。此后，爆发了几次较弱的喷发。