直发

例句：

1. 1. She has a straight haircut and always looks neat.
   她有直发发型，总是看起来很整洁。
2. 2. The girl's straight hair is very beautiful.
   那个女孩的直发非常漂亮。
3. 3. He decided to get his hair cut straight for the new job.
   他决定为了新工作去理直发。