Impulse duration
[电] 脉冲期间
🧩 词语组成解析
🗣️ 情景例句
No pain, no gain.
只有付出，才有收获！（不劳则无获！）
Shall you excuse his ignorance?
你要原谅他的无知吗？
In this way, he has begun his own private 'telephone' service.
就这样，他开始自己的私人“电话”业务。