Cassiopeia

例句：

1. 1.Cassiopeia is a mythical creature that appears in Greek mythology.
   卡西奥皮亚是希腊神话中的一个神话生物。
2. 2.The Cassiopeia festival takes place every year on the 4th of July.
   卡西奥皮亚节每年7月4日举行。
3. 3.The Cassiopeia river flows through the heart of the city, providing a scenic backdrop for the event.
   卡西奥皮亚河流经市中心，为活动提供了美丽的背景。