单词学习：scoria 地质学/自然科学
scoria
/ˈskɔːriə/
火山渣；熔岩渣；矿渣
During the field trip, Professor Gu explained that the dark, porous rock we found was scoria, formed from rapidly cooling lava.
在实地考察中，顾老师解释说，我们发现的黑色多孔岩石是火山渣，由快速冷却的熔岩形成。
单词卡片
卡片已就绪
