accelerator
US /ekˈsel.ɚ.eɪ.t̬ɚ/
UK /əkˈsel.ə.reɪ.tər/
名詞
1.
油門, 加速器
a device, especially a pedal in a vehicle, that controls the speed of an engine
範例:
•
She pressed the accelerator to increase speed.
她踩下油門以提高速度。
•
The car's accelerator was stuck, causing it to speed uncontrollably.
汽車的油門卡住了，導致它失控加速。
2.
促進劑, 加速器
a substance used to speed up a chemical reaction or process
範例:
•
This chemical acts as an accelerator in the curing process.
這種化學物質在固化過程中充當促進劑。
•
The new catalyst serves as an effective accelerator for the reaction.
這種新催化劑是反應的有效促進劑。