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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学英语单词
-racetam
a deuce
aard-wolves
absolute knowledge
absolute percentage
ACANTHOCEPHALLA
acute transformation of chronic myelocycic
Alto steel
amphoteric surface active agent
arrow-slit
asymmetric stretch
atrial chamber (or extrabranchial chamber)
balanced hypothesis
Balminax
battles of plataea
behavioral variable
blind flying instrument
blogroll
blue wall of silence
boundary position
bye-bye
carriage of goods by land
coarse sand soil
cognitive preparation
color coordinate
cooperative fuel research committee
counter statement
cybershopper
darkman
data collection subsystem
diabetic amyotrophy
digital hierarchy
discontinuous working
driptight
earthing bushing
embryonic differentiation
endpaper map
episodic amnesia
ethylbenzhydramine
exhaust pipes
eye-tubercle
fiennes
foxtrots
fuel oil viscosity control system
fuel-injection pressure
general appearance
genus Cedrela
girolamo savonarolas
Global Depositary Receipt
godber
goods engine
ice-island
identifying animal and human chromosomes
inner fissure
intramundane
Jeongdongjin
journeyings
Kattamudda Well
Korans
laser hole
late-round
lc product
Malto
manpower planning council
Marine Agent Industry
microtrichial
mixed teaching style
multiapartment
mytone
no-score
nonsymbiotic nitrogen fixation
normal colour sight
North, Douglass C.
Odesskiy Rayon
optical fiber acoustic sensor
ost
overpigmentation
polar impulse
porno-
position of peril
prangers
pressure oil pipe
Pullenreuth
reconciliation parliament
reject load
road hogs
Sandy Powell
second-order effects
security underwriter
silver-zinc battery
smoothtongued
St Martin, L.
storiation
Strathroy
streate
thrix
Turn right at the next corner
universal navigation beacon
vapour flow
varnished silk tape
vice-bench
xerulin