Unidirectional switch
[計(jì)] 單向開關(guān)
?? 詞語組成解析
unidirectional
[,ju:nidi'rek??n?l]
adj. 單向的，單向性的;
switch
[sw?t?]
n. 開關(guān);轉(zhuǎn)換，轉(zhuǎn)換器;軟鞭子;[信]接線臺(tái);
vt.& vi. 轉(zhuǎn)變，改變;轉(zhuǎn)換;關(guān)閉電流;鞭打;
vt. 轉(zhuǎn)換;揮動(dòng)（棍棒、鞭子等）;迅速轉(zhuǎn)動(dòng);鞭打;
vi. 交換;調(diào)換;
??? 情景例句
I'm afraid so.
不敢當(dāng)。
What is the weather like in this country?
這個(gè)國(guó)家的氣候如何？
Boy, I'm really glad to hear that.
哇，聽了真叫人高興。