curl of vector function

例句：

1. 1. She has a curl of hairthat frames her face beautifully.
   她有一束漂亮的卷发，衬托出她的面容。
2. 2.The curl of the hair is so softand natural.
   这束头发卷曲得如此柔软自然。
3. 3. He had a curl ofhair that was always in style.
   他的头发总是很流行，卷曲的。