accelerators

英 [ək'seləreɪtəz] 美 [ək'seləreɪtəz]

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英英释义

名词 accelerator:

1. a pedal that controls the throttle valve

2. a valve that regulates the supply of fuel to the engine

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

4. a scientific instrument that increases the kinetic energy of charged particles