?补孔
... repelling programs 互斥方案 repercussion 击回；回声 reperforate 补孔 ...
One wonders if the next step might be to reperforate the well using the new, improved tiny guns that will fit inside the liner.
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reperforate:
re- +? perforate
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。