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 saved it for my wedding day.
我留着等我的结婚日才用。
I'll drown my sorrows.
我要消愁解闷。
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.