n.主要产品,钉书钉,U 形钉,主题,主要部份,主食
vt.用钉书钉钉住
adj.最基本的,最重要的
Can you hand me that stapler?
请你把订书机拿给我,好 吗 ?
The stapler is on the top of the filing cabinet.
订书机在文件柜上面.
The stapler belongs to her.
这订书机是她的.