acceleratorn.

英 ək'seləreɪtə | 美 ək'sɛlə'retɚ

中文n. 油门；催化剂；[机] 加速装置

词根词源

accelerator (n.)1610s, from Latin accelerator, agent noun from accelerare (see accelerate). Motor vehicle sense is from 1900.

关键词

accelerator