volcanic cinder

• 火山岩屑,火山渣

volcanic cinder的用法和样例：

例句

1. Cinder cone volcanoes are formed when magmas with high gas contents and high viscosity are blown high into the air during an eruption.
   火山渣锥火山是，当爆发时，高气体含量和高粘度的熔岩被喷发到空气中而形成的。