hair clip

例句：

1. 1. She used a hair clip to hold her hair back while she worked out.
   她在锻炼时用发夹固定头发。
2. 2.He wore a hair clip in his hair for a formal event.
   他在正式活动中戴了发夹。
3. 3. The girl put the hair clip on her hair and looked beautiful.
   女孩把发夹放在头发上，看起来很漂亮。