headroom
US /ˈhed.ruːm/
UK /ˈhed.ruːm/

名词
1.
头部空间, 净空高度
the amount of space above someone's or something's head, especially in a vehicle or room
示例:
•
The car has excellent headroom, even for tall passengers.
这款车有出色的头部空间,即使是高个子乘客也适用。
•
Mind your head, there's not much headroom in this attic.
小心你的头,这个阁楼的头部空间不大。
在 Lingoland 学习这个单词