1. Pleochromatism refers to the phenomenon of displaying different colors when viewed from different directions.
多色性指的是从不同方向观察时显示不同颜色的现象。
2. The pleochromatism of certain gemstones is highly valued by collectors for its unique and captivating visual effects.
某些宝石的多色性因其独特且迷人的视觉效果而受到收藏家的高度赞赏。