blue copper

基本解释

Blue comes from copper compounds.
蓝色则来自于铜的化合物。
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1873 - Levi Strauss and Jacob Davis receive a US patent for blue jeans with copper rivets.
1873年的今天，李维·施特劳斯与雅各布·戴维斯接到为蓝色仔裤配铜铆钉的美国专利权。
They have different colors, such as red to blue for iron, copper, purple for manganese, yellow for silica gel stone, jade color with green mineral and so on;
它们本身具有不同的色素，如赤红者为铁，蓝者为铜，紫者为锰，黄色半透明为二氧化硅胶体石髓，翡翠色含绿色矿物等等；

For example, adding copper to glass can make it blue, while adding tin can make it white.

The Fall 2012 palette embraces many of the rich colors of autumn, such as, warm and cold natural beige, chestnut, brick red, copper, orange, musk green, blue and grey.
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Jennifer Lawrence, with her burnished-copper complexion, husky voice, and pale-blue eyes, is fine as the resourceful sixteen-year-old heroine Katniss Everdeen, but Ross consistently drains away all the tensions built into the cruel idea of the movie—the increasing wariness and suspicion each kid must feel as the number of teens still alive diminishes, and the horror (or glee) that some of them experience as they commit murder.
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