Relay switch
[計] 繼電器開關(guān)
?? 詞語組成解析
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;用驛馬遞送，使接替;分程傳遞;
switch
[sw?t?]
n. 開關(guān);轉(zhuǎn)換，轉(zhuǎn)換器;軟鞭子;[信]接線臺;
vt.& vi. 轉(zhuǎn)變，改變;轉(zhuǎn)換;關(guān)閉電流;鞭打;
vt. 轉(zhuǎn)換;揮動（棍棒、鞭子等）;迅速轉(zhuǎn)動;鞭打;
vi. 交換;調(diào)換;
??? 情景例句
An economic recession now seems more than likely.
現(xiàn)在看來，經(jīng)濟衰退的可能性相當(dāng)大。
My brother is a member of the faculty.He teaches economics.
我的兄弟是全體教員中的一員，他是教經(jīng)濟學(xué)的。
Most of us fail in our efforts at self-improvement because our schemes are too ambitious and we never have time to carry them out.
我們大多數(shù)人想自我完善卻遭到失敗，這是因為我們的規(guī)劃過于宏大，而又根本沒有時間去實施。