Color may also be modified by traces of iron and other metal salts and organic substances, for example cyanin is red in roses but blue in the cornflower.
此外一些微量的离子,金属盐以及其他的有机物质也可以改变其显色,例如花素在玫瑰中显红色而在玉米花中显蓝色。
Color may also be modified by traces of iron and other metal salts and organic substances, for example cyanin is red in roses but blue in the cornflower.
此外一些微量的离子,金属盐以及其他的有机物质也可以改变其显色,例如花素在玫瑰中显红色而在玉米花中显蓝色。
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