“脉冲”的英语表达是 pulse。它既可以作名词,表示“脉冲;脉搏;搏动”等,也可以作动词,意为“(使)脉动;(使)搏动” 。例如:
The radar emitted a series of short pulses.(雷达发射出一系列短脉冲。)
His pulse was rapid and weak.(他的脉搏又快又弱 。)