brass lock cock

例句：

1. 1.The antique brass lock on the door isa symbol of wealth and status.
   门上的古董黄铜锁象征着财富和地位。
2. 2. Theold brass lock was difficult to open,but the new one is much easier.
   旧的黄铜锁很难打开，但新的锁很容易。
3. 3. The brass lock on the safeis made of high-quality materials,ensuring secure storage.
   保险箱上的黄铜锁是用高质量的材料制成的，确保安全存储。