revolving door

• n. 十字形旋转门；循环活动

英英释义

Noun:

1. an organization or institution with a high rate of turnover of personnel or membership

2. a door consisting of four orthogonal partitions that rotate about a central pivot; a door designed to equalize the air pressure in tall buildings

近反义词

【近义词】

• revolver 左轮手枪