Response impulse
[计] 应答脉冲, 响应脉冲
🧩 词语组成解析
🗣️ 情景例句
I'm going to the library to do some research.
我要去图书馆搞些调研。
How long will I have to wait?
我要等候多久呢？
A short time before, great trees had covered the countryside for miles around.
就在不久之前，参天大树还覆盖着方圆数英里的土地。