vibration

• 名词，指快速的振动或来回运动，常用于物理学中描述周期性变化；非正式用法中也可指某种特定的情绪氛围。

A noun referring to a rapid oscillatory motion or movement back and forth, often used in physics to describe periodic variations, or informally to denote a distinctive emotional atmosphere.

1. Act of vibratingB1formal

   The action or state of moving back and forth or up and down quickly and continuously.

   振动

   • The vibration of the engine could be felt throughout the car.
   • The machine's constant vibration loosened the screws.
   • The earthquake caused a strong vibration in the ground.

   同义词oscillationpulsationquiveringshakingshudderingthrobbingtrembling

2. Shaky motionA2informal

   A rapid, unsteady movement or trembling motion.

   振动

   • The old washing machine started with a loud vibration.
   • He felt a vibration in his phone while it was on silent.
   • The bridge swayed with a slight vibration as the train passed.

   同义词jitteroscillationquakequivershakingshuddertremblingtremor

   反义词calmreststabilitysteadinessstillness

3. Periodic variation (physics)B2formalscientific

   A regular, periodic change in a quantity around a central value, such as in waves or oscillations.

   振动

   • The vibration of a pendulum follows a predictable pattern.
   • Sound waves are caused by the vibration of air particles.
   • The vibration frequency of the string determines the pitch of the note.

   同义词fluctuationoscillationpulsationundulation

4. Distinctive emotional auraB2informal

   A subtle, instinctive feeling or atmosphere that is sensed from a person, place, or situation.

   氛围感应

   • The room gave off positive vibrations that made everyone feel welcome.
   • I got a bad vibration from that stranger, so I left.
   • The band's music had a calming vibration that soothed the crowd.

   同义词ambianceatmosphereauraenergyfeelingmoodqualityspiritvibe