音标:[nʌl] ;
a. 无效力的, 无效的, 无价值的
n. 零, 空, 零位
[计] 空
s. lacking any legal or binding force
词型变化:现在分词 : nulling ; 过去分词 : nulled ; 过去式 : nulled ; 名词复数形式 : nulls ; 第三人称单数 : nulls
考试类型:[托福/IELTS]
词性分布:
形容词100%

null的用法和样例:

例句

用作形容词(adj.)
  1. Their actions rendered the contract null and void.他们的行为使合同无效。
  2. The marriage was declared null and void.婚姻已宣告无效了。
用作名词(n.)
  1. The path must end with a null character.该路经必须以零结尾。
  2. Vomit in null gravity wouldn't be fun.如果在零重力下呕吐了可不是件好笑的事。
  3. A null reference pointer was passed to the stub.向占位程序传送了空的索引指针。
  4. Primary keys do not allow null values.主键不允许空值。

词汇搭配

  • null set零集(空集)
  • null and void[法律]无效
  • null sequence零序列
  • null device空设备
  • null detector零值检波器,消尽指示...
  • null representation空白表示法,零表示...
  • null operator零算子
  • null class零类
  • null field空符号组,空字段...
  • null character零字符,空白记号...
  • null reference[计] 空引用, 空...
  • electrical null电零点
  • null setting调零装置
  • null detection零值指示,检零,零值...
  • null cell零位细胞
  • null method零位法,零点法,衡消...
  • null instrument平衡点测定器...
  • null indicator零位指示器
  • null adjustment零位调整,零核准装置...
  • null string空字符串

经典引文

  • Its influence on that element was absolutely null.

    出自:J. Pinkerton
【近义词】

ESL Podcast 288 A Business Contract GLOSSARY contract a written agreement between two or more people, businesses, ororganizations* Many cell phone companies make their customers sign a six-month or one-yearservice contract. party a person, business,

发表于:2019-01-18 / 阅读(239) / 评论(0) 分类 2007年ESL之商务英语

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发表于:2019-02-08 / 阅读(99) / 评论(0) 分类 英语新闻
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