relay
英['ri?le?]
美[r?'l?i]
- vi. 轉播；接替
- n. [電] 繼電器；接替，接替人員；驛馬
- vt. 轉播；使接替；分程傳遞
英英釋意
- 1. the act of relaying something
- 2. electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit
