Cisco

例句：

1. 1. Cisco is a leading provider of networking equipment.
   思科是领先的网络设备提供商。
2. 2. The Cisco router is the backbone of our network.
   思科路由器是我们网络的骨干。
3. 3. Cisco has been innovating in the field of networking for over 50 years.
   思科在网络领域创新了50多年。