-long Staple

1.[obn]主要的；基本的；重要的forming a basic, large or important part of sth

3.基本食物；主食a basic type of food that is used a lot

4.（某国的）主要产品，支柱产品something that is produced by a country and is important for its economy

5.~ (of sth)主要部分；重要内容a large or important part of sth

1.~ sth + adv./prep.用订书钉装订to attach one thing to another using a staple or staples

1.订书钉,U形钉

2.主要产品;主食

3.主要成分,重要特色

4.主要原料

5.大宗商品

1.装订

1.最基本的,最重要的

1.a small thin piece of metal wire bent into the shape of a flattened U with square corners, used to fasten things together, especially sheets of paper

2.an important product, especially a food, that people eat or use regularly

3.a regular and important part or feature of something

4.a raw material, especially the principal raw material produced or grown in a region

5.the commodity or product that is most important to the trade of a country, region, or organization

1.to fasten something to something else or in position with staples

1.used for describing the products, especially foods, that are the most basic and important for a particular place or group of people