Emery

(noun.) a hard grey-black mineral consisting of corundum and either hematite or magnetite; used as an abrasive (especially as a coating on paper).

校对:谢尔曼

• Knife roughed with coarse emery. 佚名. 神奇的知识之书.
• Kiraldy, Kennedy, and others of England, Thomasset of France, Riehle of Germany, and Fairbanks, Thurston and Emery of the United States, are among the noted inventors of such machines. 威廉·亨利·杜利特. 世纪发明.
• Dissolve the glue in 3/4 quart of warm water, put in the lampblack and emery, stir till there are no lumps, then apply to the board with a woolen rag smoothly rolled. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• In May, 1877, a man named Emery called at Hubbard’s office, and leased two telephones for twenty dollars. 鲁伯特·萨金特·荷兰. 历史性发明.

录入:里基