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】

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发表于:2019-01-18 / 阅读(276) / 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(134) / 评论(0) 分类 英语新闻
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'Baby Face' Nelson
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anhydrite hydration
arc sine law
archaster typicus
asymmetric fringe
atypical mycobacteriosis
auxiliary spring
bath-chair
be an item
brethel
carcinoma of tail of pancreas
closest packing lattice plane
cloud cap
combustion zone
consequent river
controlled manual block system
dark humus soil
data base mapping
data directory
disbond
dredging capacity
dynamic loading effect
emergency stand-by power supply
estimated off-block time
far uv(ultra-violet) flux
fettig
final carrier
fire float pump
first in first out buffer
footstep pivot
globe mallow
grass character
guard ring tocograph
Howie
Hymenanthera
internal surface of cranial base
kilo-metre
lamina terminalis ventriculi tertii
laser communication and tracking
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long term diabetic syndrome
looping mill
low-light tv
made our play for
magnetocrystalline anisotropy energy
march serial
meat mixer
method of solution growth
nail removal
ochronoses
odam
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parmotrema rampoddense
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pedal control
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photographic recording instrument
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Ramus communicans albus
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silolift
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substituent constant
substituted uracils
swap shop
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Toécé
trust ageement
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unallotted shares
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vendeuses
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