柯林斯詞典lahar /?lɑ?hɑ?/ 1. N a landslide of volcanic debris mixed with water down the sides of a volcano, usually precipitated by heavy rainfall 火山泥流 返回 lahar劍橋詞典a large stream of mud , rocks , and water from a volcano that becomes hard when it stops moving 火山泥流 返回 lahar