n.不用,废弃
The room smelt of disuse and mouldering books.
房间里有一股长期不用和霉烂书籍的味道。
The wheel had long since rusted from years of disuse.
多年不用的车轮早已锈迹斑斑。
The factory fell into disuse twenty years ago.
这个工厂二十年前就废弃了。