出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第234页（229字）
形容浩大的声势，例火山爆发出来的熔岩，势如千军万马般地直奔山下，烧毁了一切。
The lava from the volcano，flowed down the mountain slope with such speed and force that everything before it was burnt and reduced to ashes．