束发

例句：

1. 1. She tied her hair up in a bun for the party.
   她为了派对把头发扎成了一个丸子。
2. 2. The boy fastened his coat before going out.
   男孩出门前把外套系好。
3. 3. The girl plaited her hair into braids.
   女孩把头发编成了辫子。