保险锁

例句：

1. 1. The safeis locked with a combination of numbers.
   这个保险箱用一组数字锁上了。
2. 2. Thecar was left with the key in theignition.
   车钥匙留在了点火器里。
3. 3. The safe has been sealed toprevent tampering.
   保险箱已经被密封以防止篡改。