音标:[nʌl] ;
null
[nʌl]
adj.
无价值的;无结果的,无意义的;无效的
没有的;不存在的
等于零的
零位的;指针在零的
零差测量的
无(个性)特征的;无表情的
【数学】(集合)空的,零的
n.
(插在密码中的)无意义暗码
【电信学】零位
【数学】空,零
vt.
使无效,取消,废弃:
使无效,取消,废弃:
短语:
null and void
【法律】无效的,无约束力的

A: How do you feel about that restaurant? B: It wasn't all that great. A: What did you dislike the most? B: I don't think that they had their act together. They didn't seem well prepared. A: Did you think that the food was any good? B: I wasn't all t

发表于:2018-12-02 / 阅读(501) / 评论(0) 分类 英语情景对话-餐厅

A: Did you enjoy the restaurant? B: I didn't really like it all that much. A: What do you think the problem was? B: Well, they are pretty new. I just didn't feel that they were ready to open yet. A: How did you feel about the food? B: The food wasn't

发表于:2018-12-02 / 阅读(480) / 评论(0) 分类 英语情景对话-餐厅

A: So how did you like the restaurant? B: Actually, it could have been better. A: What didn't you like about it? B: It is a new restaurant. I don't think they have their act together yet. A: What did you think about the food? B: I felt that the food

发表于:2018-12-02 / 阅读(547) / 评论(0) 分类 英语情景对话-餐厅

03 警惕杀虫剂的危害 DATE=2-20-01 TITLE=AGRICULTURE REPORT - (1)Pesticide Warning BYLINE=George Grow (Start at 1'00

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Grammar Girl here. Guest-writer Bonnie Trenga will be your hostess with the mostest today, because were looking at how to make comparisons using adjectives and adverbs. Bonnie writes, When you want to modify a noun, is it OK to stick a more or a most

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Global Leaders Condemn N. Korea's Latest Nuclear Test U.N. Secretary General Ban Ki-moon described the move as deeply destabilizing. He said it is a clear and grave violation of sanctions banning Pyongyang from nuclear and missile tests. U.S. Preside

发表于:2019-01-14 / 阅读(436) / 评论(0) 分类 VOA标准英语2013年(二月)

A: Have you taken the written test yet? B: No, I haven't. A: You should study before you take it. B: I have been studying. A: Why don't you take the test? B: Do you know if it costs any money to take it? A: Since you already paid for your permit, you

发表于:2019-01-15 / 阅读(445) / 评论(0) 分类 英语情景对话-驾驶

经典歌曲-莱因石牛仔RHINESTONE COWBOY--GLEN i've been walking these streets so long singing the same old song i know every crack in these dirty sidewalks of broadway where hustle's the name of game and nice guys get washed away like the snow

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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,

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-The 15th day of the 1st lunar month is the Chinese Lantern Festival because the first lunar month is called yuan-month and in the ancient times people called night Xiao. The 15th day is the first night to see a full moon. So the day is also called Y

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By Meredith Buel Washington 18 June 2007 Western nations are working quickly to support the new Palestinian government in the West Bank, following the violent takeover of the Gaza Strip by the Islamic militant group Hamas. The United States and Europ

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-Everyone loves a good ghost story. The gruesome, the spiritual and the supernatural arouse an instinctive curiosity in all of us. In the west, ghostly fervor reaches a peak with Halloween on October 31. In Thailand, the spirit-world comes closest to

发表于:2019-02-03 / 阅读(541) / 评论(0) 分类 阅读空间

CHANGSHA, Aug. 28 (Xinhua) -- Pests are posing an increasing challenge for the country's major rice-producing areas amid an important harvest year, according to agricultural officials. The Ministry of Agriculture (MOA) held a meeting on pest control

发表于:2019-02-05 / 阅读(454) / 评论(0) 分类 英语新闻

Chinese New Year starts with the New Moon(新月)on the first day of the new year and ends on the full moon(满月)15 days later. The 15th day of the new year is called the Lantern Festival(元宵节), which is celebrated at night with la

发表于:2019-02-07 / 阅读(509) / 评论(0) 分类 阅读空间

Finding a Healthier Lifestyle - Committing to Change Everyone wants to live a healthier lifestyle and everyone wants to look better in their swimsuit. However, many people don't know where to begin or what questions to ask. Six months ago I was in th

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Man United target has contract revoked

发表于:2019-02-08 / 阅读(399) / 评论(0) 分类 英语新闻

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发表于:2019-02-09 / 阅读(426) / 评论(0) 分类 英语新闻

Todd: Eucharia, why dont we talk about what is our favourite Shakespeare play and actually what is the story about? Eucharia: OK, I love the story of Romeo and Juliet (I know, Im a girl!) which is a tragedy. Its about a boy and a girl who fall in lov

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More than 12 million Americans are out of work, according to the U.S. Department of Labor. Looking for a job similar to the one that was lost can be a frustrating and futile exercise, but an employment program in the northeastern state of New Hampshi

发表于:2019-02-19 / 阅读(447) / 评论(0) 分类 英语新闻
学英语单词
Abraham's barm
all-electric signaling
allobaric wind
alphitomorphous
alt-
angle-valve
Arvidsjaur
automatic recovery property
basic disk command
bifid sacrum
boom defense vessel
borne witness
breakaway-type missile connector
britle
bulk raising machine
carriage overflow
chance-medleys
collective ownership
cooling effect
copper printing paper
crankshaft bearing cap bolt
deep sixed
demie
Det Norske Veritas
determination of boundary
Dorfgastein
earth-type
entertain a feeling against
extreme conditions
fair reachability graphs
flensing deck
floeberg
fly the flag at half-mast
forced circulation boiler
galacturonan methyl ester
Gimpo
give someone a dirty look
glass fibre filter
goggle
harmonic flux density
Hypoderma diana
icc (interational conference on communication)
in change
incommensurable
interactive information system
Kissingen salts
lissoporcellana quadrilobata
lower jaw member
lucid dream
magnetic disc storage
maxwell's relations
medau
Mexican waves
Milne-Eddington model
ming blue
missile geometry
modified Miller code
naevoid
nmius
nonscanning
omnopotent
order Monotremata
order opuntialess
pay a high price for
Penning traps
protodeacon
racialised
radioactive collector
rate accuracy
RBIs
rectifier tube
rellstab
rerandomization
Royal Aircraft Establishment
self-admittedly
self-slaughtered
semisilica brick
Senpāra
service restriction notation
shelterbelted
ship position accuracy
short anconeus muscle
signal-to-distrotion ratio
Spartene
Spengler's immune bodies
spinalis
stained by rust
standard format output
statistical element
strychnine
suction-bell
talipot palm
theoretical proposition
thetagram
three-terminal
to clear the table
tone in
two row elevator digger
UGIS
universal identity
unpacking
untaste