The king signed the instrument of abdication. 国王签署了逊位的文告。
The organization he had built up eventually became the instrument of his downfall. 他创建起来的组织到头来却成为促使他倒台的根本原因了。
The compass is an instrument of navigation. 罗盘是航行仪器。
Prussian army officer and military theorist who proposed the doctrines of total war and war as an instrument of policy. His treatise On War was published posthumously(1833). 克劳塞维茨，卡尔·冯1780－1831普鲁士军官和军事理论家，提出了总体战概念和战争是政治的工具。其论著战争论在其死后出版(1833年)
