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
If it ain't broke, don't fix it.
东西还没坏,就别急去修它。
Kindness always begets kindness.
善有善根。
Professor Ronald Bracewell, a leading American radio astronomer,argued in Nature that such a superior civilization, on a visit to our own solar system,