您要查找的是不是：
- Humans and old world monkeys have three different types of cones (trichromatic vision) while other mammals lack cones with red sensitive pigment and therefore have poorer (dichromatic) colour vision. 人和高等的灵长目动物有三种不同的视锥细胞，而其它哺乳动物缺乏对红色的视锥细胞，因此它们对颜色的分辨比较差。
- red sensitive pigment 感红光红敏色素
- A violet,light - sensitive pigment found in the retinal cones of the eye. 视紫蓝质;视青紫素一种存在于眼睛的视网膜锥体上的紫色的，光敏色素
- A bright red welt rose on his arm. 他的手臂上起了明显的条状红肿。
- They bear traces of red ochre, a pigment. 这些外壳上有赭红色颜料着色的痕迹。
- A bright red mercuric sulfide used as a pigment. 银朱，朱砂用作颜料的一种鲜红色的硫化汞
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- He wore a red carnation in his buttonhole. 他的扣洞上了一朵红色康乃馨。
- The boy is daubing a piece of paper with red ink. 那孩子正在用红墨水在纸上乱涂。
- He pulled a red sweater on over his shirt. 他在衬衣外面套上了一件红色毛衣。
- Keep on go till you come to a red brick building. 一直往前走直到一座红砖楼为止。
- The land is laid down with red or white clover. 这块土地种上了红花和白花苜蓿。
- Everyone at the rally wore red ribbons as favours. 参加集会的人都系著红丝带作为支持大会的标记。
- Her criticisms were enough to make anyone see red. 她那些批评任谁都得火冒三丈。
- I have a red tracksuit with fleecy lining. 我有一件红色的有羊毛衬里的运动服。
- Red mercuric sulfide used as a pigment. 朱红色用作颜料的红色硫化汞
- How much money are you riding on the red horse? 你在那匹红马身上押了多少钱？
- How much red ink is there in the ink-pot? 墨水瓶里有多少红墨水？
- A red pencil-mark on the fifth page caught his eye. 在第5页上一个红铅笔记号引起了他的注意。
- The application has been held up by red tape. 申请被官僚的繁文缛节所耽搁。
