n. sole
刨根问底 Inquisitive ; Polisse ; inquisitorial
刨根究底 bombard someone with questions ; inquire into the root of the matter
凹底刨 [木] Concave plane
圆底弯刨 round faced spokeshave
·2,447,543篇论文数据，部分数据来源于NoteExpress
我没有什么特殊的才能，不过是喜欢寻根刨底地追究问题罢了。
What I have no special talent, but love is the end plane roots to pursue the issue.
youdao
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