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
How many stamps do I need?
我需要多少邮票？
His heart swelled with gratitude to her.
他心中充满着对她的感激之情。
Neither of us realized that night that these carvings and paintings dated back 15,000 years,
我们没有意识到这些刻画追溯到15，000年前，