node branch

例句：

1. 1. The network has a node at every city.
   这个网络在每个城市都有一个节点。
2. 2. The computer network is made up of many nodes.
   计算机网络由许多节点组成。
3. 3. The scientist studied the structure of the node in the brain.
   科学家研究了大脑中节点的结构。