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主要产品; 钉书钉，U 形钉; 主题，主要部份; 主食
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It is well known that bamboo shoots are a panda's staple diet.
Rice is the staple food of more than half the world's population.
Fish is a staple in the diet of many Africans.
Unusual cover versions have long been a reggae staple.
It's a staple of every parent-child relationship.
Cabbage, swede,...and beetroot were the staple vegetables.
Hold the paper together with staples.
Could you help me to staple the reports together?
ADJ (食物、产品或活动)主要的，基本的 A staple food, product, or activity is one that is basic and important in people's everyday lives.
Rice is the staple food of more than half the world's population...
The Chinese also eat a type of pasta as part of their staple diet...
Staple goods are disappearing from the shops.
N-COUNT 主要部分;重要内容 A staple is something that forms an important part of something else.
Political reporting has become a staple of American journalism.
N-COUNT 订书钉 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 用订书机订 If you staple something, you fasten it to something else or fix it in place using staples.
V n with adv V-ed Also V n prep
Staple some sheets of paper together into a book.
...polythene bags stapled to an illustrated card.
U 形钉； U 形电线卡
1. (usually plural) a necessary commodity for which demand is constant
2. material suitable for manufacture or use or finishing
3. a short U-shaped wire nail for securing cables
4. paper fastener consisting of a short length of U-shaped wire that can fasten papers together
1. secure or fasten with a staple or staples;
- " "staple the papers together" "
1. necessary foods or commodities;
- " "wheat is a staple crop" "
Old English stapol, of Germanic origin; related to Dutch stapel 'pillar' (a sense reflected in English in early use)
Middle English (in sense 3): from Old French estaple 'market', from Middle Low German, Middle Dutch stapel 'pillar, emporium'; related to staple