单词 pile-driver 释义 pile-driver1. a. A machine for driving piles (pile n.1 3) into the ground, usually consisting of a heavy block of iron, suspended in a frame between two vertical guide-posts, and alternately let fall upon the pile-head, and raised b...
单词 pile-driver 释义 pile-driver n machine for forcing piles into the ground 打桩机. 英汉双解词典包含38652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。 ...