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； 变形： 复数：staples过去式：stapled过去分词：stapled现在分词：stapling第三人称单数：staples 双语释义：n.(名词)[C] 钉书钉 a small piece of thin wire with two square corners which is driven into sheets of paper,etc.,and bent over on the other