再活动

例句：

1. 1. After the power outage, we had to reactivate our backup system.
   电力中断后，我们必须重新启用我们的备用系统。
2. 2. The software needs to be reactivated for it to work properly.
   软件需要重新激活才能正常工作。
3. 3. We need to reactivate the network to access the new website.
   我们需要重新激活网络才能访问新的网站。