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null

美音:[nʌl ]点这儿播放单词美音发声
英音:[nʌl ]点这儿播放单词英音发声
adj.无效力的,无效的,无价值的,等于零的 n.零,空,零迅号

难易程度:

null为短语/超纲词汇

词形变化:

动词过去式:nulled 过去分词:nulled 现在分词:nulling 第三人称单数:nulls

词根

nul,null=nothing(无)

近义词, 同义词

null


/nʌl; nʌl/
adj (idm 习语) null and void (law 律) having no legal force; not valid 无法律约束力的; 无效的
*This contract is null and void. 此合同无效.

null


adj
[Date: 1500-1600; Language: Old French;Origin: nul, from Latin nullus 'not any']
null and void
law an agreement, contract etc that is null and void has no legal force
= invalid
 The contract was declared null and void .
1. This contract is null and void.
    此合同无效.

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