scoria cone

例句：

1. 1. The volcano erupted, and a scoriacecone was formed.
   火山爆发了，形成了一个火山灰锥。
2. 2. The scientists collected samplesfrom the scoriace cone.
   科学家们从火山灰锥中收集了样本。
3. 3. Thescoriace cone is a unique featureof the volcano.
   火山灰锥是这座火山的独特特征。