Differential protective relay

[電] 差接保護(hù)電驛

?? 詞語組成解析

differential ['d?f?'r?n??l]
adj. 差別的;特意的;[數(shù)]微分的;[機(jī),物]差動的; n. [數(shù)]微分;差別;工資級差;[機(jī)]差動器;
di, dif, divid 表示”分開”;”取消”,”否定”;”不同”
protective [pr?'t?kt?v]
adj. 保護(hù)的,防護(hù)的;保護(hù)貿(mào)易的;
protect保護(hù)+ive形容詞后綴 →保護(hù)的,防護(hù)的
relay [r?'l?i]
n. 接替人員,替班;傳遞;接力賽;繼電器; vt. 轉(zhuǎn)播,傳達(dá);用驛馬遞送,使接替;分程傳遞;

??? 情景例句

I want to keep the after-school programs--
我要保存這些課外活動--
How did this happen?
怎么會這樣?
but of course I cannot do so because I am a prisoner of the present-day world,
不過我是做不到的,因?yàn)槲液湍銈兇蠹乙粯樱?/div>
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?? 更多 D 開頭的單詞

doddle ['d?dl]
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