snap ring

例句：

1. 1. The snap ring on the door is broken.
   门上的弹力环坏了。
2. 2.She used a snap ring to fasten her purse.
   她用一个弹力环来固定她的钱包。
3. 3. The snap ring was designed to prevent the door from closing too quickly.
   这个弹力环的设计是为了防止门太快关闭。