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
I see under activities that
我注意到在 活动 项目中提到
Two dollars and seventy-five cents.
二美元七角五分。
Shortly after this the famous H. M. S. Challenger expedition established the study of the sea-floor as a subject worthy of the most qualified physicists and geologists.