Serrated pulse
[电] 齿锯脉冲
🧩 词语组成解析
pulse
[pʌls]
n. 脉搏;[无线电]（电磁波等）脉动;活力;有节奏的跳动（或拍打）;
vi. （心脏）跳动;脉动;搏动;震动;
vt. 使跳动;有节奏地驱动（机器等）;[电子学]施以脉冲;[无线电]脉冲地调节（电磁波）;
pel, puls 表”驱动,推动”
🗣️ 情景例句
It sounded like a dog barking.
听起来像狗叫。
Thanks for coming to help on such a short notice.
谢谢你临时来帮忙。
That's what we did in China in the old days, before thermoses were invented, said Wei Hua.
“那是我们中国从前未发明出热水瓶时的做法。”魏华说。