Safety relay
[化] 安全继电器
🧩 词语组成解析
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
Well, there's a lot to think about.
噢 有许多事需要考虑。
Better be the head of the yeomanry than the tail of the gentry.
宁作自由民之首，不为贵族之尾。
An earthquake comes like a thief in the night, without warning.
地震就像夜间的小偷，不打招呼就来了。