| 单词 | single-jack |
| 释义 | > as lemmassingle-jack single-jack n. North American a short hammer used in percussive hand-drilling by one person alone. ΚΠ 1961 Press (Vancouver) 1 Sept. 11 The mechanization of mines in 1890—the replacing of hand-steel, single-jack and double-jack, by drilling machines—had created new problems. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。