plural of walk-in
n person who walks in without having an appointment
n an operative who initiates his own defection (usually to a hostile country) for political asylum
n an assured victory (especially in an election)
n a small room large enough to admit entrance
s (of e.g. closets or refrigerators) extending very far enough back to allow a person to enter
(walk-in 的复数) n.可供人走进之物, 轻易获得的竞选胜利
a. 未经预约而来的