意思是:缩孔(露底),陷穴(漆病),磨顶槽;
句子实例:
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
cratering是什么意思
意思是:缩孔(露底),陷穴(漆病),磨顶槽;
句子实例:
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