walk-inn.
'wɔkɪn
中文n. 轻易获得的胜利；可供人走进之物\nadj. 未经预约而来的
轻易获得的胜利；可供人走进之物
adj. 未经预约而来的
词根词源
walk-in (adj.)1928, "without appointment," from the verbal phrase, from walk (v.) + in (adv.). As a noun, meaning "walk-in closet," by 1946.
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