Internet access is increasingly available on wireless LAN (local area network) systems, commonly known as Wi-Fi.

无线 LAN（局域网）系统（通常称为 Wi-Fi）越来越多地提供 Internet 访问。

For your computer to get this video, the first connection is to your local area network, or LAN, which might be every device in your house that's connected to your wifi router.

要让您的计算机获取此视频，首先要连接到您的局域网或 LAN，这可能是您家中连接到 wifi 路由器的每台设备。