1. The dichromatic butterfly was a beautiful sight, with its wings displaying two vibrant colors.
这只两色性的蝴蝶真是美不胜收，它的翅膀展示着两种鲜艳的颜色。
2. Some animals have dichromatic vision, which means they can only see two colors.
一些动物具有两色性视觉，意味着它们只能看到两种颜色。