epicadmium

例句：

1. 1. The epicadmium of the swan is a symbol of elegance and grace.
   天鹅的羽毛是优雅和优雅的象征。
2. 2. The epicadmium of the swan is a symbol of elegance and grace.
   天鹅的羽毛是优雅和优雅的象征。
3. 3. The epicadmium of the swan is a symbol of elegance and grace.
   天鹅的羽毛是优雅和优雅的象征。