例子:
Luckily there was a free stool next at the bar, so I sat down and ordered a beer. 
照片许可:
CC版权：出处标示，商业用途
Regionalism:
Neutral
Regional variant:
Neutral
Full Expression:
The “ool” Sound ( /u:/ ) : stool
a piece of furniture for sitting, but with no support for a person's back (like a chair has instead)