Undervoltage relay
[電] 欠壓繼電器
?? 詞語組成解析
[電] 欠壓
relay
[r?'l?i]
n. 接替人員，替班;傳遞;接力賽;繼電器;
vt. 轉播，傳達;用驛馬遞送，使接替;分程傳遞;
??? 情景例句
Yes?
怎么？
I know the boy whose father is a merchant.
我知道那個男孩的父親是商人。
Why not? His home isn't far from here. Let's go.
為什么不呢？他家離這兒不遠。我們走吧。