pulse

• 指动脉因心脏跳动而产生的有节律的扩张与收缩，常通过触摸来测量以评估健康状况；也泛指有规律的搏动、节奏或脉动。

A noun referring to the rhythmic expansion and contraction of arteries caused by the beating of the heart, often measured to assess health.

1. HeartbeatB1formalmedical

   The rhythmic expansion and contraction of arteries caused by the beating of the heart, felt as a beat.

   脉搏

   • The nurse checked his pulse to see if it was regular.
   • Her pulse was racing after the long run.
   • A weak pulse can indicate a medical emergency.

   同义词beatpulsationthrob

2. Physics waveB2formalscientific

   A single, short burst of energy or a wave, such as sound, light, or electricity.

   脉冲

   • The machine emits a short pulse of laser light.
   • Sound travels in pulses through the air.
   • The radar sends out a pulse and measures the echo.

   同义词blipburstflashimpulse

3. B1formalbritishculinary

   The edible seeds of leguminous plants, such as beans, lentils, and peas.

   豆类

   • Lentils and chickpeas are types of pulses.
   • Pulses are a great source of protein and fiber.
   • She added a variety of pulses to the soup for extra nutrition.

   同义词legume

• 表示有节奏地跳动或搏动，也指以有节奏、间歇的方式传递或施加某事物。

A verb used to indicate the act of beating or throbbing rhythmically, or to transmit or apply something in a rhythmic, intermittent manner.

1. Beat rhythmicallyB2formalmedical

   To beat or throb with a regular rhythm, like the heart.

   跳动

   • Blood pulsed through his veins after the workout.
   • The music pulsed through the speakers at the concert.
   • Her heart pulsed rapidly with excitement.

   同义词beatdrumpalpitatepoundpulsatethrobthump

2. Emit in wavesC1formaltechnical

   To emit or send out something in a rhythmic or intermittent manner.

   有节奏地发出

   • The lighthouse pulsed a beam of light every ten seconds.
   • The machine pulsed a low-frequency sound to detect objects.
   • The laser pulsed energy at precise intervals.