Underpower relay
[电] 欠功电驿器
🧩 词语组成解析
低功率, 功率[马力]不足
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
Don't worry.
别担心。
Come in and make yourself at home.
请进，别客气。
It doesn't make any sense to get up so early.
那么早起来没有任何意义。