neck strap

例句：

1. 1. She wore a neck strap to hold her hair back.
   她戴着一个颈带来固定头发。
2. 2. The neck strap was the only thing keeping her from falling over.
   这个颈带是她唯一能保持站立的东西。
3. 3. He used the neck strap to tie his shoes.
   他用颈带系紧了他的鞋。