加速 jiā sù 🔊 to accelerate; to speed up; to expedite HSK 5 + Review this word Meanings jiā sù to accelerate; to speed up; to expedite Its characters 加jiāto addHSK 3速sùfast Words with 加速 加速器 jiā sù qì accelerator (computing) 加速度 jiā sù dù acceleration 加速踏板 jiā sù tà bǎn accelerator pedal 恒加速度 héng jiā sù dù constant acceleration