staple
['steipl]
n. 主要产品；订书钉；主题
adj. 主要的，大宗生产的；常用的；纺织纤维的
vt. 把…分级；钉住
同义词
反义词
参考例子
1.The weather forms the staple of their conversation.
天气构成他们谈话的主要内容。
2.Dwarf sorghum could play a key role in Africa, where it is often a staple.
对于高粱这种非洲人的主食来说，矮茎高粱可能扮演关键角色；
3.Regional economic development is a staple among the applications of economic theory.
地区性经济发展是经济理论应用上的一个主题。
英文解释
n.
1.(usually plural) a necessary commodity for which demand is constant
2.a natural fiber (raw cotton, wool, hemp, flax) that can be twisted to form yarn
3.material suitable for manufacture or use or finishing
4.a short U-shaped wire nail for securing cables
5.paper fastener consisting of a short length of U-shaped wire that can fasten papers together
v.
1.secure or fasten with a staple or staples
2.necessary foods or commodities
网络释义
staple
钉书针; 空气钉; 短纤丝; 主要的;
staple crop
主要作物;
staple diet
主食; 圣诞大餐;
acetylated staple
乙酰化短纤维; 乙酰化[粘胶]短纤维; 乙酰;
Staple Length
纤维长度; 纤维定长; 毛长,毛丛长度; 纤维长;