Polar relay
[电] 极化替续器
🧩 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
It's still raining. I want to play tennis.
仍然在下雨。我想打网球。
When I'm going to buy a TV set next time, I'll buy a color set.
你有电视节目表吗？猜谜游戏节目之后是什么？
People who live in Britain needn't despair when they made mistakes like this (and a lot of people do)!
当英国人犯这种错误时，他们不必感到绝望（而许多国家的人都有这种绝望的感觉）。