A staple food, product, or activity is one that is basic and important in people's everyday lives.
例句
Rice is the staple food of more than half the world's population...稻米是全世界一半以上人口的主食。The Chinese also eat a type of pasta as part of their staple diet...中國人也把一種面食作為他們的主食之一。
N-COUNT
主要部分;重要內容
A staple is something that forms an important part of something else.
例句
Political reporting has become a staple of American journalism.政治新聞已成為美國新聞報道的主要內容。
N-COUNT
訂書釘
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.
VERB
用訂書機訂
If you staple something, you fasten it to something else or fix it in place using staples.
例句
Staple some sheets of paper together into a book.用訂書機將幾頁紙裝訂成冊。...polythene bags stapled to an illustrated card.訂在一張插圖卡片上的幾個塑料袋