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
No doubt about it.
毫无疑问。
I invited him to come back, but he wouldn't.
我请他回来,但是他不肯。
Nor could he have foreseen how we could use the Internet to obtain information on every known subject, so we can read it on a screen in our homes and even print it as well if we want to.