doorstop
🇺🇸
/ˈdɔːrstɑːp/
🇬🇧
/ˈdɔːstɒp/
An object that is used to keep a door open or to prevent it from closing completely.
I used a book as a doorstop to let some fresh air in.
我拿一本書當作門止,好讓新鮮空氣進來。