hair grown in circles or in a circular shape

例句：

1. 1.She has long, thick hair that she keeps tied back in a ponytail.
   她有一头长长的、浓密的头发，她总是把头发扎成一个马尾。
2. 2.The man's hair was so white that it looked like snow.
   那男人的头发白得就像雪一样。
3. 3. Hair is one of the most important parts of the human body.
   头发是人类身体最重要的部分之一。