1809Phil. Trans. XCIX. 120 Unclamp the apparatus.
1849Herschel Astron. 106 Now unclamp the level, and..turn round the circle on the axis.
1860H. Stuart Seaman's Catech. 46 The outside men will..unclamp the booms.
英语词典包含277258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。