accelerator
US /ekˈsel.ɚ.eɪ.t̬ɚ/
UK /əkˈsel.ə.reɪ.tər/
名词
1.
油门, 加速器
a device, especially a pedal in a vehicle, that controls the speed of an engine
示例:
•
She pressed the accelerator to increase speed.
她踩下油门以提高速度。
•
The car's accelerator was stuck, causing it to speed uncontrollably.
汽车的油门卡住了，导致它失控加速。
2.
促进剂, 加速器
a substance used to speed up a chemical reaction or process
示例:
•
This chemical acts as an accelerator in the curing process.
这种化学物质在固化过程中充当促进剂。
•
The new catalyst serves as an effective accelerator for the reaction.
这种新催化剂是反应的有效促进剂。