Vacuum relay
[电] 真空继电器
🧩 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
Sir, I thought this was an emergency.
先生，我想这是一位急病患者。
I dialed the right number,but nobody answered.
我拨了正确的号码，但是任何人接。
A further million watched as the fire, following Indian custom, turned his body to ashes.
数百万人注视着缓慢的送葬队伍抬着他的遗体通过首都。还有上百万人看着将他的遗体按印度习惯火化成骨灰。