matchlock

例句：

1. 1.The matchlock was a crucial part of the puzzle.
   这个匹配锁是解决谜题的关键部分。
2. 2.He had to find the right matchlock for the locket.
   他必须找到适合挂坠的匹配锁。
3. 3. The matchlock was used to open the safe.
   这个匹配锁被用来打开保险箱。