Callback model
[计] 回叫式调制解调器
🧩 词语组成解析
callback
[ˈkɔlˌbæk]
n. 回收，回叫信号，复查;
🗣️ 情景例句
Her eyes look so sad.
她的目光那么忧郁。
While you were writing letters,I was reading a book.
当你正在写信时，我正在读一本书。
You used to smoke 40 cigarettes a day.
他以前每天狂抽四十根烟。