Unit impulse
[电] 单位脉冲
🧩 词语组成解析
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
We are from Shanghai.
上海。
John had a rough time last night.
约翰昨晚好像挺轰轰烈烈的样子。
In return for this, the beggar stood on his head and sang songs.
作为回报，那乞丐头顶地倒立起来，嘴里还唱着歌。