percussion

• 名词，指敲击或拍打表面的动作，常与打击乐器（通过敲击发声）或医学上的叩诊法（敲击身体进行诊断）相关。

A noun referring to the striking or tapping of a surface, often associated with musical instruments that produce sound when struck, or with a medical diagnostic technique involving tapping the body.

不可数

1. Playing percussion instrumentsB1formalart

   The act of striking or shaking a musical instrument to produce sound.

   打击乐演奏

   • The drummer's percussion was the highlight of the concert.
   • She studied percussion at the music academy.
   • The rhythm section relies heavily on skilled percussion.

2. Exploding a percussion capC1formaltechnical

   The act of detonating a small explosive charge, typically used in firearms or pyrotechnics.

   击发底火

   • The percussion of the cap ignited the gunpowder.
   • Old rifles used a percussion mechanism to fire.
   • The fireworks display began with a loud percussion.

   同义词detonationdischargefiringignition

3. Section of a band or orchestraB1formalart

   The group of musicians in an ensemble who play percussion instruments.

   打击乐组

   • The percussion section added energy to the symphony.
   • He joined the percussion in the school band.
   • The orchestra's percussion was perfectly synchronized.

   同义词battery

4. Diagnostic tappingC1formalmedical

   A medical technique where a doctor taps a part of the body to assess underlying structures.

   叩诊

   • The doctor used percussion to check for fluid in the lungs.
   • Percussion of the abdomen helps detect organ enlargement.
   • She learned percussion techniques during her medical training.