保险箱

例句：

1. 1. The bank's security measures are top-notch, and the safe is well-protected.
   银行的安保措施一流，保险箱也得到了很好的保护。
2. 2. He locked the valuable documents in the safety deposit box.
   他把贵重的文件锁在了保险箱里。
3. 3. The thief managed to break into the safe deposit box and steal the money.
   小偷设法进入了保险箱并偷走了钱。