A constellation is a group of stars which form a pattern and have a name.
例句
...a planet orbiting a star in the constellation of Cepheus.围绕仙王座中一颗恒星旋转的行星
N-COUNT
一群,一组(相似的事物)
A constellation of similar things is a group of them.
例句
Most patients have a constellation of diseases, with few clear-cut distinctions between them...大多数患者的病症都很相似,鲜有明显的区别。The largest gallery contains at its centre a constellation of photographs called My Wishes.最大的画廊在中心位置展出了一组名为《我的心愿》的摄影作品。