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
The only-child generation brings about many new social problems.
独生子女一代带来了许多新的社会问题。
Love is neither bought nor sold.
爱情不能买卖。
OK! Don't worry. I can get it.
不用担心，我能拿下来。