词典释义：
a piece of bent metal or wire pushed through something or clipped over it as a fastening, in particular
固定物体用的弯曲金属（或金属丝），尤指：
a piece of thin wire with a long centre portion and two short end pieces which are driven by a stapler through sheets of paper to fasten them together
订书钉；肘钉。
a small U-shaped metal bar with pointed ends for driving into wood to hold attachments such as electric wires, battens, or sheets of cloth in place U
U形钉。
attach or secure with a staple or staples
用U形钉固定；用订书钉（或肘钉）钉
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Merrill stapled a batch of papers together. 梅里尔用订书钉把一叠纸订在一起。
a main or important element of something, especially of a diet
主要（或重要）成分；主食
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bread, milk, and other staples 面包、牛奶和别的主食
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Greek legend was the staple of classical tragedy .希腊传说是古典悲剧的主要组成部分。
a main item of trade or production
主要商品；主要产品
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rubber became the staple of the Malayan economy .橡胶成了马来亚经济的主要产品。
[mass noun]the fibre of cotton or wool considered with regard to its length and degree of fineness
（棉花、羊毛的）纤维（就其长度和细度而言）。
[often with modifier]
〈史〉 （特定商品的）贸易中心
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proposals were made for a wool staple at Pisa .建议在比萨建立一个羊毛交易中心。
main or important, especially in terms of consumption
（尤指消费方面）主要的，重要的
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the staple foods of the poor 穷人的主食
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figurative 〈喻〉violence is the staple diet of the video generation .暴力是接受视频这代人的主食。
most important in terms of trade or production
（贸易或生产方面）最重要的
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rice was the staple crop grown in most villages .在大多数的村庄里稻子是最重要的农作物。
"Old English
