rock silk

例句：

1. 1. The dress is made of rock silk, which makes it very soft and smooth.
   这件裙子是用丝绸做的，非常柔软光滑。
2. 2. She wore a silk dress that was as light as cotton.
   她穿着一件丝绸裙子，和棉布一样轻薄。
3. 3. The silk scarf is a popular accessory for women during the autumn season.
   丝绸围巾是秋季女性流行的配饰。