mobility scooter
noun [ C ] uk/məʊˈbɪl.ɪ.ti ˌskuː.tər/ us/moʊˈbɪl.ə.t̬i ˌskuː.t̬ɚ/ (also mobility vehicle)
电动代步车
a small vehicle like a motorcycle with three or four wheels and an electric engine, designed for people who cannot walk well
She is disabled, but can take her daughter to school using her mobility scooter. 她身有残疾，但是可以用她的电动代步车送女儿上学。