1Each of a series of rods that can be linked together to support a drilling bit.
2A tool with the working end at the end of a pole, so that it can be operated at a distance from the work.
Late 19th century.
英汉双解词典包含464360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。