accelerator
n. 油门；催化剂；[机] 加速装置
复数 accelerators
例句
He eased his foot off the accelerator.
他把脚慢慢移离了油门。
《柯林斯英汉双解大词典》
His foot stamped down on the accelerator.
他一脚猛地踩下油门。
The engine stalled. He pressed the accelerator hard.
引擎熄火了。他猛踩油门。
