unblocking

例句：

1. 1. The password was unblocked after a few attempts.
   密码在几次尝试后被解锁。
2. 2. The road was blocked due to the heavy rain.
   由于大雨，道路被封锁了。
3. 3. The blockade was finally unblocked by the international community.
   国际社会最终解除了封锁。