该公司称，蓝玫瑰是通过植入一种可生成三色紫罗兰中所含的蓝色花翠素的基因培育而成。
The blue roses are created by implanting the gene that leads to the synthesis of the blue pigment Delphinidin in pansies, the firm said.
所以正如俗话说红玫瑰紫罗兰，蓝紫的彩虹就是多余环。
So as the saying goes, roses are red, violets are blue, and purple in a rainbow is a supernumerary hue.
“红玫瑰紫罗兰”中有蓝紫色但没有紫色。
Violet is there in the "roses are red, violets are BLUE" sense, but purple is not.
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