loop scavenged cylinder

例句：

1. 1. The rope was wrapped around the tree to keep it from falling down.
   绳子绕在树上以防止它掉下来。
2. 2. There are many loopholes in the law that need to be addressed.
   法律中有许多漏洞需要解决。
3. 3. The engineer designed a loophole in the system to bypass the restrictions.
   工程师在系统中设计了一个漏洞来绕过限制。