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来源:雅诚德英语网
The 1980 volcanic eruption of Mount Saint Helens, for example, sent mud and debris into several tributaries of the Columbia River.
例如,1980年圣海伦斯火山爆发,导致哥伦比亚河的几条支流产生泥石流现象。
The 1980 volcanic eruption of Mount Saint Helens, for example, sent mud and debris into several tributaries of the Columbia River.
例如,1980年圣海伦斯火山爆发,导致哥伦比亚河的几条支流产生泥石流现象。