safety pin chain

例句：

1. 1. She wore a safety pin chain around her neck to keep her hair in place.
   她脖子上围着一条安全别针链，用来固定头发。
2. 2. The police used a safety pin chain to secure the suspect's hands behind his back.
   警方用一条安全别针链将嫌疑人的手反绑在背后。
3. 3. She hung up her clothes on the safety pin chain, making it easy to find them later.
   她把衣服挂在安全别针链上，这样以后找起来就方便了。