Operational relay
[計(jì)] 運(yùn)算繼電器
?? 詞語組成解析
operational
['ɑp?'re??nl]
adj. 即可使用的;（用于）操作的;經(jīng)營的;軍事行動(dòng)的;
oper 工作 + ation表名詞+ al...的 → 操作上的；可使用的
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 could tell something was up by the look on their faces.
我一看他們的臉色就知道有事。
He who sees through life and death will meet with most success.
看破生死者，大多會(huì)成功。
You look great today.
你今天看上去很棒。