walk-in
/ˈwɔːkɪn/adjective
1
- (especially of a storage area) large enough to walk into（尤指储存区）宽敞得可以步入的, 步入式的：
a walk-in cupboard.
步入式壁橱。
2
- (of a service) available for customers or clients without the need for an appointment（服务）不必预约的：
a walk-in clinic.
随到随看的诊所。