?凿井
凿 authentic; to bore a hole; certain; chisel; to chisel or dig; irrefutable; 凿井 to dig a well 凿枘 to fit like mortise and tenon ..
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。