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
Can I count on you to help me?
我能仰仗你的协助吗？
A book that remains shut is but a block.
有书闭卷不阅读，无异是一块木头。
With pleasure!
我很乐意！