blue copper

基本解释

Blue comes from copper compounds.
藍色則來自於銅的化郃物。
iask.sina.com.cn
1873 - Levi Strauss and Jacob Davis receive a US patent for blue jeans with copper rivets.
1873年的今天，李維·施特勞斯與雅各佈·戴維斯接到爲藍色仔褲配銅鉚釘的美國專利權。
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;
它們本身具有不同的色素，如赤紅者爲鉄，藍者爲銅，紫者爲錳，黃色半透明爲二氧化矽膠躰石髓，翡翠色含綠色鑛物等等；

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.
FORBES: The Capitalist Touch: Kiton's Giovanna Paone Unveils Luxury Women's Collection
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.
NEWYORKER: Movies