swinging door

• 一种安装在铰链或转轴上的门，可以从任一侧推开并能自动关闭；常用于商业厨房、酒馆或人流量大的场所。

A door that is mounted on hinges or a pivot so that it can be pushed open from either side and swings shut automatically, commonly used in commercial kitchens, saloons, or high-traffic areas.

1. Physical door typeA2formal

   A door that is hinged to swing in both directions, often used in kitchens, restaurants, or saloons.

   双向弹簧门

   • The waiter pushed through the swinging door into the kitchen.
   • Swinging doors are common in old Western saloons.
   • The restaurant installed a new swinging door for the staff.

2. Metaphorical useB2informal

   A situation or place where people or things move in and out frequently or easily.

   旋转门

   • The office has become a swinging door for new employees.
   • His apartment is like a swinging door for friends and visitors.
   • The company's revolving management is a swinging door of executives.