But was an extra photopigment all that was needed to evolve trichromatic vision?
但是是否另一种感光色素必须完全进化成三色视觉？At the close of the meeting, he gave me a jar of his trademark jelly beans, colored red, white, and blue.
拜访结束时，他送给了我一罐他标志性的果冻，包含了红、白、蓝三色。A year later, the green is drained of water, once in the brown, yellow, green around is not reduced does not like, feel like me.
时隔一年，那青绿抽干了水分，在曾经的褐、黄、绿三色的环绕中显得不沦不类，觉得像我。"This also is far from being a lost battle, " Castro, dressed in a red, white and blue track suit, said of his current health problems.
录像中身着红、白、蓝三色运动服的卡斯特罗谈论自己的健康情况时这样说：“这远远不是一场输掉的战斗”。The formula, processing procedure and key control points of the product were also described. It was a good reference for food enterprises.
阐述了三色雪糕的工艺流程、产品配方和操作要点，为冷食生产企业提供参考理论和参照依据。With three CMY inks used to reduce the proportion of black ink, it is likely to rise, as well as replication of the guarantee of color.
随着CMY三色油墨使用量的减少，黑色油墨的比例就会上升，同时还要保证彩色的复制效果。Face of the flag consists of three parallel vertical rectangular and of equal composition, from left to right are blue, white, and red.
旗面由三个平行且相等的竖长方形构成，从左至右分别为蓝、白、红三色。A few years ago, all the Border Collies in a sheepdog trial would have been black and white or tricolor.
几年前，在牧羊比赛中边境基本是黑白色或三色。His judges sat upon the Bench in feathered hats; but the rough red cap and tricoloured cockade was the head-dress otherwise prevailing.
他的法官们头戴饰有羽毛的帽子，坐在审判席上，别的人主要戴的是佩三色徽章的红色粗质便帽。