n.

a pedal that controls the throttle valve

同義詞：accelerator pedalgas pedalgasthrottlegun

a valve that regulates the supply of fuel to the engine

同義詞：throttlethrottle valve

(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected

同義詞：catalyst

a scientific instrument that increases the kinetic energy of charged particles

同義詞：particle acceleratoratom smasher

1. The scientists at the research facility are using accelerators to study the properties of subatomic particles.
   研究機構的科學家們正在使用加速器來研究亞原子粒子的性質。
2. Particle accelerators play a crucial role in the field of particle physics.
   粒子加速器在粒子物理學領域起著至關重要的作用。