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
History repeats itself.
历史往往会重演。
To make a public speech
发表演说
It was warm last Sunday, so I went and sat on the river bank as usual.
上星期日天气很暖和。于是我和往常一样，又去河边坐着。