(n.) A small bronze mortar mounted on a wooden block with
handles, and light enough to be carried short distances by two men.
编辑:朱利叶斯
双语例句
In 1674, Coehorn, an officer in the service of the Prince of Orange, invented the celebrated mortar which bears his name, and the use of which has continued to the present time. 威廉·亨利·杜利特.世纪发明.