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
The game was put off due to heavy rain.
由于下大雨，比赛延迟了。
The machines will be made of the best materials and the stipulations of the contract be strictly observed.
机器将用最好的材料生产，合同的规定也将得以严格履行。
This box is big.
这是个大盒子。