lock block

例句：

1. 1. The engineer used a special locking block to secure the door.
   工程师使用一个特殊的锁块来固定门。
2. 2.The locking block is designed to prevent unauthorized access.
   这个锁块的设计是为了阻止未经授权的访问。
3. 3. The locking block was removed to allow for easy assembly.
   为了方便组装，移除了锁块。