| 单词 | placer mining |
| 释义 | placer mining (once / 111503 pages) n WORD FAMILY placer mining USAGE EXAMPLESHelena was established as a placer mining camp in 1864 upon the discovery of gold in Last Chance Gulch. Various, Encyclopaedia Britannica, 11th Edit...(2012) "Well, you might try a little surface or placer mining," replied Gabe. Webster, Frank V., Two Boy Gold Miners—or, Lost in the...(2012) "Men get rich placer mining now and then, and it might happen to me," he said. Bindloss, Harold, Delilah of the Snows(2012) n mining valuable minerals from a placer by washing or dredging Hyper excavation, mining the act of extracting ores or coal etc from the earth |
| 随便看 |
英语词典包含147318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。