W
n.大得可供人进入的储藏室（冷冻库）；轻易获得的竞选胜利；不速之客adj.宽敞得可以进出的；可不经门廊直接进入的房间的；未经预约而来的
n.大得可供人进入的储藏室（冷冻库）；轻易获得的竞选胜利；不速之客
adj.宽敞得可以进出的；可不经门廊直接进入的房间的；未经预约而来的
英英释义
noun
1. a small room large enough to admit entrance
2. an assured victory (especially in an election)
Synonym: waltz
3. an operative who initiates his own defection (usually to a hostile country) for political asylum
4. person who walks in without having an appointment
e.g. the emergency room was overrun with walk-ins
经典引文
50 per cent of the income was generated by walk-in customers.
出自：Music LettersFamily walk-in centres in..inner-cities.
出自：Sunday Times