平绒

例句：

1. 1. The down comforter is soft and warm, perfect for winter nights.
   这种羽绒被既柔软又温暖，非常适合冬天的夜晚。
2. 2. She carefully selected the finest velvet to create her masterpiece.
   她精心挑选了最优质的天鹅绒来创作她的杰作。
3. 3. The velvet curtains add a touch of elegance to the room.
   天鹅绒窗帘为房间增添了一丝优雅。