domical vault

例句：

1. 1.The family vault is a secure place to store important documents.
   家庭保险箱是一个安全的地方来存储重要的文件。
2. 2. He locked the vault and left the key with his neighbor.
   他锁上了保险箱，并将钥匙留给了他的邻居。
3. 3.The vault was opened by an expert who had been hired to inspect the contents.
   保险箱被一位专家打开，这位专家被雇佣来检查里面的物品。