jiǎn sù减速拼音jiǎn sù注音ㄐ一ㄢˇ ㄙㄨˋ反义词加速词语解释减速[ jiǎn sù ]⒈ 降低速率;慢下来。例使马达减速。英decelerate; retard; put a break on; slow down;国语辞典减速[ jiǎn sù ]⒈ 减慢速度。例如:「减速慢行」。反加速