cratering
英文音标
英式:[ˈkreɪtərɪŋ]
美式:[ˈkreɪtərɪŋ]
英文翻译
n.磨顶槽
英文例句
A flat-bottomed, roughly circular volcanic crater of explosive origin that is often filled with water. 小火山口一种底部平坦、大致呈圆形的火山爆发后形成的盛满水的低洼地
A rim, as of a vessel, bell, or crater. 边容器、铃和坑的边缘