Digital switching
[計] 數(shù)字交換
?? 詞語組成解析
digital
['d?d??tl]
adj. 數(shù)字的;數(shù)據(jù)的;手指的;指狀的;
n. 手指;（鋼琴等的）琴鍵;數(shù)字;
digit手指+ al具有...性質(zhì)→手指可以數(shù)數(shù)→ a.數(shù)字的,計數(shù)的
[計] 交換\\n[經(jīng)] 轉(zhuǎn)換, 調(diào)換, 調(diào)頭
??? 情景例句
She takes her exams next week, so she's burning the midnight oil.
她下周要考試，所以在開夜車。
I left the house at 8 o'clock and got to work at 8:30.
我在8點鐘離開了房子并且在8:30上班了。
As soon as he had got into the car, I said good morning to him in French and he replied in the same language.
他一上車，我就用法語向他問早上好，他也同樣用法語回答我。