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- The state or quality of being null. 无效无效的状况或性质
- His art is primitive and provincial. 他的艺术原始而粗野。
- Primitive people often lived in caves. 原始人常常住在山洞里。
- Primitive peoples deified the sun. 原始部落将太阳奉为神。
- They built a primitive shelter out of tree trunks. 他们用一些树干建造了一个简陋的棚子。
- The act of making null and void. 废除使 ... 作废和无效
- Primitive man made tools from sharp stones and animal bones. 原始人用尖石块和动物的骨制造工具。
- A primitive hand-turned grain mill. 手推磨一种原始的手推碾谷磨
- null primitive 置零基位
- The book is about the mythologies of primitive races. 这本书是原始民族神话集。
- Primitive in culture and customs; uncivilized. 野蛮的，未开化的文化和习惯原始的; 不文明的
- Small seashells were often used as a primitive kind of money. 小贝壳常被用作简单的货币。
- The contract was null and void because it was not signed. 这个合同无效，因为它尚未签字。
- The court ruled that the claim was null and void. 法庭裁决此项要求无效。
- Living conditions in the camp were pretty primitive. 营地的生活条件甚为原始。
- He will publish his observation on the social life of these primitive tribe. 他将公布他对那些原始部落的社会生活观察所得的资料。
- The marriage was declared null and void. 婚姻已宣告无效了。
- A piece of flint used as a tool by primitive human beings. 打火石原始人作为工具用的一块打火石
- The null subset corresponds to the term 1. 空集则对应于常数项1。
- The constitution of a primitive society is not necessarily simple. 原始社会的结构并不一定就是简单的。
