staples

n.U形(订书)钉；主要产物(要素)；原料(地)

adj.主要的；重要的

vt.用订书机装订

He used a pair of scissors to take the staple out of the document. 他用剪刀将订书钉从文件上取了出来。

Coffee is the staple of this district. 咖啡是这个地区的主要产品。

Bread, potato and other staple continue to rise in price. 面包、土豆及其他主食的价格继续上涨。

For example, rice is a staple crop in much of Asia. 例如，在亚洲大米是原料农作物。

Short stories are her staple reading. 短篇小说是她经常看的读物。

Rice is the staple diet in many Asian countries. 稻米是亚洲许多国家的主食.

Jeans are a staple part of everyone's wardrobe. 在每个人的衣橱里，牛仔裤是必不可少的。

He stapled the paper together. 他把文件钉在一起。

Staple the invoice to the receipt. 把发货清单订到发票上。