Annunciation relay
[电] 通告继电器
🧩 词语组成解析
n. 宣布, 通告
relay
[rɪ'lɛi]
n. 接替人员，替班;传递;接力赛;继电器;
vt. 转播，传达;用驿马递送，使接替;分程传递;
🗣️ 情景例句
I'm pleased to meet you, Mr. Peter.
皮特先生，很荣幸认识你。
I'm scared to death.
我害怕得要死。
Mainframe computers were very large indeed, often occupying whole air-conditioned rooms,
计算机主机确实很大，常常占据了装有空调的多间房间，