1DHbig enough for a person to walk inside 大得能容人走进的,步入式的
a walk-in closet
步入式壁橱
2.walk-in business/clinic/centre etca business, doctor’s office etc that you can use or go to without having previously arranged a time to do this 无需预约的业务/诊所/中心等
Examples from the Corpus
walk-in business/clinic/centre etc• The walk-in centre is the result of two years' struggle by an international group of scientists to realise an ideal.