relay station（中继站）是什么意思？音标发音+图解场景

中继站 /ˈɹiːleɪ ˈsteɪʃən/ n

English: relay station · 中继站

释义：Facility receiving and amplifying signals from a transmitting tower and relaying them to another receiver.

这个词出现在以下图解场景（1）