smile lines

例句：

1. 1. The designer's clothes are adorned with smiling lines that make them look more flattering.
   设计师的衣服上装饰着微笑的线条，使它们看起来更吸引人。
2. 2. The movie stars' smile lines were carefully crafted to enhance their beauty.
   电影明星的微笑线条被精心打造，以增强他们的美貌。
3. 3. The artist's sketches often feature smiling lines that convey a sense of joy and warmth.
   艺术家的草图经常包含微笑的线条，传达出快乐和温暖的感觉。