每一个节点都与其他节点相连。

Each ___node is connected to other nodes.

这个城市是贸易网络中的重要节点。

The city is a crucial ___node in the trade network.

这个立交桥是城市交通的重要节点，连接着四条主要道路。

The overpass is a key traffic ___node connecting four major roads.

医生发现他的颈部淋巴结有些肿大。

The doctor found some swollen lymph ___nodes in his neck.

这个无线网络有多个节点，确保信号覆盖整个办公室。

The wireless network has multiple ___nodes to ensure full coverage in the office.