porte papillon

1. 1

   butterfly door (a door mounted on a central pivot point which opens both inwards and outwards at the same time from the two halves)

2. 2

   a door which opens upwards, such as gullwing doors and scissor doors

真题出处来自 FreeTCF 题库，做题要在 FreeTCF 登录；这里只列出这个词出现的句子。