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
Chairman Mao said it is necessary to drill as much as possible.
毛主席说，反复操练是非常必要的。
Which one is the longest river in China?
中国哪条河流最长？
Strange forms stand in gardens, and outside buildings and shops.
公园里、大楼和商店外竖立着的奇形怪状的雕塑，