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undrilled

释义

网络释义: 未钻的;未穿孔的;

例句

A narrow barrel with a razor-sharp edge (think of a very big apple corer) shoots down and pierces the undrilled layer of earth below.
一个带有锋利边缘的窄桶(就像一个非常大的苹果挖核器)像子弹一样射下,穿过下方尚未钻孔的土层。

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