... 色环 chromatic circle 灰色环grey ring 红色环照灯 red all-round light ...
双语例句
1
The shadow of the fringe of trees along the vast expanse of sand hung motionless along its border, and the ring of blue-grey hills around the horizon slept calmly beneath the sky.
广阔沙地两旁的树影，一动不动地垂挂在其边沿，圆圆的地平线上，灰蓝色的山在天空的怀里恬静地睡着了。
2
The gold medal has a white jade ring, the silver, greenish-white, and grey jade adds glitter to the bronze.
金牌镶嵌有白色的玉环，银牌是绿中带白，铜牌是灰色的玉石。
3
Until diamonds are cut and polished, they do not sparkle like those you see on a ring-they just look like small, blue-grey stones.