Copper

(noun.) any of various small butterflies of the family Lycaenidae having coppery wings.

(noun.) a reddish-brown color resembling the color of polished copper.

(noun.) a copper penny.

(noun.) a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor.

(verb.) coat with a layer of copper.

西里尔整理

• The daguerreotype was made on a thin sheet of copper, silver plated on one side, polished to a high degree of brilliancy, and made sensitive by exposing it to the fumes of iodine. 佚名. 神奇的知识之书.
• The slim, bare, copper wire snapped on the least provocation, and the circuit was down for thirty-six days in the first six months. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• He made experiments, and at last succeeded in rendering the copper negatively electrical by the use of small pieces of tin, zinc, or iron nails. 鲁伯特·萨金特·荷兰. 历史性发明.
• Metallurgy is an ancient art, and the working of gold, silver and copper dates back to the beginning of history. Edward W. Byrn. 十九世纪发明进展.
• The embodiment of such compounds in the little copper caps was made about 1818, and has been claimed by various parties. Edward W. Byrn. 十九世纪发明进展.
• The Bessemer process is now largely used in treating copper. 威廉·亨利·杜利特. 世纪发明.
• Valuable metallic ores, such as those of gold, platinum, tin, copper and iron, often occur in the form of sand or mixed with that substance. 佚名. 神奇的知识之书.
• A copper anklet also took his fancy, and this he transferred to his own leg. 埃德加·赖斯·巴勒斯. 人猿泰山.
• In the time of Servius Tullius, who first coined money at Rome, the Roman as or pondo contained a Roman pound of good copper. 亚当·斯密. 国富论.
• A ring or watch case marked 14K or 18K means that fourteen or eighteen parts of it are pure gold, the balance of the twenty-four carats being some sort of alloy, copper being generally used. 佚名. 神奇的知识之书.
• And thus was solved the mystery of the sinister house with the copper beeches in front of the door. 阿瑟·柯南·道尔. 福尔摩斯历险记.
• It is composed of pure copper, 100 parts; pure tin, 17 parts; magnesia, 6 parts; tartar of commerce, 9 parts; sal-ammoniac, 3. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• The metal underlying the silver plate of the best plated teaspoons is of nickel silver, a trade name for a metal composed of nickel, copper and zinc. 佚名. 神奇的知识之书.
• The whitening is done by boiling the pins in a large copper kettle, which also contains layers of grained tin and a solution of argol or bitartrate of potash. 佚名. 神奇的知识之书.
• The total weight of copper for the four quarter districts by the tree system was 803,250 pounds, but when the feeder system was used it was only 128,739 pounds! 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• He led them into a stone kitchen, fitted with coppers for dressing the prison food, and pointed to a door. 查尔斯·狄更斯. 雾都孤儿.
• Without these there might never have been the romance of Coppers and the rise and fall of countless fortunes. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• I brought out some coppers. 欧内斯特·海明威. 永别了,武器.
• When I was a child of seven years old, my friends, on a holyday, filled my pocket with coppers. 本杰明·富兰克林. 富兰克林自传.
• About half a score were cutting bread and butter, another half-score supplying hot water, brought from the coppers of the rector's kitchen. 夏洛蒂·勃朗特. 雪莉.
• Then I seized my coat, which was weighted by the coppers which I had just transferred to it from the leather bag in which I carried my takings. 阿瑟·柯南·道尔. 福尔摩斯历险记.

鲍里斯校对