Noun:

1. a constellation in the northern hemisphere between Pegasus and Draco in the Milky Way; contains a black hole

2. a genus of Anatidae

CYMKn.青色-黄色-品红-黑色CYabbr.历年（=calendar year）Cylindrocapsan.筒藻属(筒藻科)cyanate ester氰酸酯cycolhexanone环己酮cytoreduction缩减细胞, 细胞减少Cydooxygenase舒林酸cyclododecenen.环十二烯cyclobuxamine环黄杨明, 环黄柏胺Cypriniformes鲤形目cycloid gears摆线轮cytodiaeresis胞体分裂

1. In fact, the constellation Cygnus is sometimes called the Northern Cross.
   事实上，天鹅座有时也被称为北十字星座。
2. Today, the resulting supernova remnant has faded and is now visible only through a small telescope directed toward the constellation of Cygnus.
   如今，形成的超新星遗迹已经慢慢退去，只有通过小型望远镜朝天鹅座方向看去才能看到。