笑纹

例句：

1. 1. She has a few laugh lines around her eyes.
   她眼角有几条笑纹。
2. 2. The old man's face was covered with laughter lines.
   老人的脸上布满了笑纹。
3. 3. As she smiled, the lines on her face deepened.
   当她微笑时，脸上的笑容纹变得更加明显。