单词 | tumbling barrel |
释义 | tumbling barrelnoun A revolving device containing an abrasive substance, in which castings, gemstones, or other hard objects can be cleaned by friction.In tumbling barrels, the friction is created by gravity as the media slides across the diameter of the barrel....
|
随便看 |
|
英语词典包含243303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。