in Greek mythology (= ancient stories), a princess who is tied to a rock to be eaten by a monster before being saved

The painting shows Perseus rescuing Andromeda. 这幅画展现了珀尔修斯救走安德洛墨达的场景。

Perseus appears on Pegasus and frees Andromeda. 珀尔修斯骑飞马赶到，救走了安德洛墨达。

a large group of stars that can be seen in the northern hemisphere (= the half of the earth above the equator)

The cloud finally clears and I pick out Andromeda. 云层终于散去，我识别出了仙女座。

Just below the third star in Andromeda is the Triangulum Galaxy. 在仙女座第三颗星稍偏下处便是三角座。

a plant that produces flowers, often found in soft wet ground

We found the Andromeda growing on the banks of a lagoon of fresh water. 我们在一片淡水潟湖的岸边发现了梫木属植物。

Andromeda is also known as bog rosemary. 梫木属也被称作小石楠属。