cratering

基本解释

• n.磨顶槽

同根派生

• cratering相关词

英汉例句

• 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

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