
好词典

源自拉丁语 'pulsatio'(意为击打、跳动),经由古法语 'pulsation' 进入英语,词根 'puls-' 与动词 'to pulse' 同源。
❶ 指有规律的跳动或脉动现象,常用于描述心脏跳动、机械振动或天体周期性变化等物理过程。
“The doctor checked the pulsation of the patient's wrist to measure the heart rate.”
(医生检查病人手腕的脉搏以测量心率。)
“The pulsation of the engine could be felt through the steering wheel.”
(方向盘中能感受到引擎的震动。)
regular pulsation — 指稳定且有规律的脉动现象,常用于医疗或机械领域描述正常运作状态。
“The monitor showed a regular pulsation of 72 beats per minute.”
(监测仪显示每分钟72次的规律脉动。)
pulsation frequency — 描述单位时间内脉动发生的次数,是工程学和物理学中的重要参数。
“The pulsation frequency of the pump needs to be adjusted for optimal performance.”
(需要调整水泵的脉动频率以获得最佳性能。)