
pulses
词源
源自拉丁语 'pulsus'(意为推动、敲击),通过古法语 'pouls' 进入英语,最初指心跳的搏动,后引申为豆类植物(因其种子在荚中跳动的联想)。
noun
❶ 指可食用豆类植物的种子,如扁豆、鹰嘴豆等,富含蛋白质和纤维,是素食者的重要营养来源。
“Lentils and chickpeas are common types of pulses.”
(扁豆和鹰嘴豆是常见的豆类种子。)
“Pulses are a staple food in many vegetarian diets.”
(豆类是许多素食饮食中的主食。)
❶ 指有规律的跳动或振动,如心跳、电流脉冲等,常用于医学或技术领域。
“The doctor checked the patient's pulse to assess his heart rate.”
(医生检查了病人的脉搏以评估心率。)
“Electronic devices use electrical pulses to transmit data.”
(电子设备使用电脉冲传输数据。)
verb
❶ 指有节奏地跳动或振动,常用于描述心脏、音乐节奏或机械运动。
“His heart pulsed rapidly after the intense exercise.”
(剧烈运动后,他的心脏快速跳动。)
“The bass line pulsed through the crowded nightclub.”
(低音节奏在拥挤的夜店中跳动。)
常见短语
feel the pulse — 字面意思是感受脉搏,引申为了解某事物的最新动态或公众意见。
“The politician visited the neighborhood to feel the pulse of the voters.”
(这位政治家走访社区以了解选民的意见。)
pulse rate — 指每分钟心跳次数,是衡量心脏健康的重要指标。
“A normal resting pulse rate for adults is between 60-100 beats per minute.”
(成年人正常的静息心率是每分钟60-100次。)