staple

1. ADJ A staple food, product, or activity is one that is basic and important in people's everyday lives. 基本的; 主要的 (食物、产品、活动)[ADJ n]

Rice is the staple food of more than half the world's population. 大米是世界上半数以上人口的主食。

The Chinese also eat a type of pasta as part of their staple diet. 中国人也以一种面食作为他们的部分主食。

2. N-COUNT Staple is also a noun. 主食; 主要产品; 主要活动

Fish is a staple in the diet of many Africans. 鱼是许多非洲人饮食中的主食。

3. N-COUNT A staple is something that forms an important part of something else. 重要部分

Political reporting has become a staple of American journalism. 政治报道已经成为美国新闻业的一个重要内容。

4. N-COUNT Staples are small pieces of bent wire that are used mainly for holding sheets of paper together firmly. You put the staples into the paper using a device called a stapler. 订书钉

5. V-T If you staple something, you fasten it to something else or fix it in place using staples. 用订书钉订住

Staple some sheets of paper together into a book. 用订书钉把一些纸张订成一本。