staple

stapleⅠ /ˈsteipl/ n. （［c］常用 pl.）1.主要产品；土产；名产：the staples among British farm products英国农产品的主要产品［考句］ Coffee is the staple of this district and brings local farmers a lot of money.咖啡是这个地区的主要产品，给该地的农民带来了很多财富。2.主要原料，主要成分（of）；厨房里的常用食品：a staple diet of rice and vegetables主要食品米和蔬菜 Don’t forget staples/staple foods like sugar and salt when you go to the shops.去商店别忘了买常用的食品，如食糖和盐之类。3.棉毛纤维：cotton of long(short)staple长（短）绒棉；shirts of long-staple cotton长绒棉衬衣

stapleⅡ /ˈsteipl/ I. n. ［c］订书钉；钩环：Please fasten the pages (together) with paper clips rather than staples. 用纸夹子而不是订书钉把这些页面夹在一起。The notice was attached to the wall with staples. 这个告知是用订书钉固定在墙上的。‖II. vt. 用订书钉钉：Merrill stapled a batch of papers together. 梅里尔用订书钉把一叠纸钉在一起。