弹端环

例句：

1. 1. The elastic ring keeps the bracelet from slipping off her wrist.
   这个弹性环使手镯不会从她的手腕上滑落。
2. 2. The engineer designed an elastic ring to prevent the pipe from leaking.
   工程师设计了一个弹性环以防止管道泄漏。
3. 3. The elastic ring is a useful tool for holding things together.
   弹性环是一种有用的工具，用于固定东西。