钉书钉的英文怎么说

钉书钉的英文：
staple

The weather forms the staple of their conversation.
天气构成他们谈话的主要内容。

They grow cotton of long staple.
他们种植长纤维棉花。

Sweet potato was the staple of their diet.
过去甘薯是他们的主食。

Cotton is the staple of the area.
棉花是这个地区的主要农作物。

This plant is a staple in Hawaii.
这种植物在夏威夷被用来当作主食。