1.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

2.a copper penny

3.uncomplimentary terms for a policeman

4.a reddish brown the color of polished copper

5.any of various small butterflies of the family Lycaenidae having copper colored wings

1.coat with a layer of copper

1.紫銅

1.銅

2.一種微紅色，富有延展性的金屬，原子序數(shù)29，原子量63.54，符號為Cu，能形成有毒鹽類。銅元素是營養(yǎng)的必需物質(zhì)，多種蛋白質(zhì)的組成部分，包括血漿銅藍(lán)蛋白、紅細(xì)胞銅蛋白、細(xì)胞色素C氧化酶、酪氨酸酶等。銅缺乏(較少見)可引起低色素小細(xì)胞性貧血、中性白細(xì)胞減少和骨改變

1 . 銅

o 應(yīng)避免吃含銅(copper)的綜合維他命，自閉癥的人通常體內(nèi)的銅含量過高，據(jù)說血型A型的人比較容易累積銅。 可以買到不含銅的綜合.

2 . 銅的

5. inscription：題贈、題詞6. copper：銅的7. kettle：壺、罐

3 . 銅幣

cope 對付,應(yīng)付copper銅,銅幣cord 繩,索

4 . 紫銅

深沖壓用薄鋼板 deep drawing sheet紫銅 copper青銅 bronze

1 . 銅纜

existing copper - based switches can be used further in the network concept .現(xiàn)有的基于銅纜的交換機在將來可以繼續(xù)用于網(wǎng)絡(luò).

1 . 銅及銅

brazing of copper , copper alloys , silver and molybdenum etc .釬焊銅及銅合金、銀、鉬等金屬。

1 . 銅在

coat the surface with either nickel or copper ( nickel is now generally the preferred commercial process an electroless plating solution .用鎳或者銅在無鍍電鍍液中進(jìn)行表面處理，目前鎳是更流行的商業(yè)用工藝。

1 . 銅–

copper – Among the most important properties of wrot copper materials are their thermal and electrical conductivity , corrosion resistance , wear resistance , and ductility .銅–鍛造銅最重要的特性是它的導(dǎo)熱性和導(dǎo)電性，耐腐蝕性，耐磨性和可鍛性。