音标:[kwɔ'drætiks] ;
n. [数]二次方程式论
n a branch of algebra dealing with quadratic equations
n an equation in which the highest power of an unknown quantity is a square
n a polynomial of the second degree
词型变化:名词复数形式 : quadraticss

口腔解剖生理学Oral Anatomy and Physiology 口腔组织病理学Oral Histology and Pathology 口腔粘膜病学Diseases of the Oral Mucosa 牙体牙髓病学Cariology And Endodontics 牙周病学

发表于:2018-12-08 / 阅读(46) / 评论(0) 分类 医务英语

Farm Animals May Soon Get New Qualities With Gene-Editing This may seem impossible, but an American company is seeking to change farm animals by cutting or adding to their genes. By using a process called gene-editing, the company, Recombinetics, say

发表于:2018-12-10 / 阅读(52) / 评论(0) 分类 2018年VOA慢速英语(十一)月

医学生专业英语必备词汇选(2) 口腔解剖生理学Oral Anatomy and Physiology 口腔组织病理学Oral Histology and Pathology 口腔粘膜病学Diseases of the Oral Mucosa 牙体牙髓病学Cariology And Endodontics 牙周病学Perio

发表于:2018-12-12 / 阅读(68) / 评论(0) 分类 医务英语

(SOUNDBITE OF MUSIC) RACHEL MARTIN, HOST: It's time now for StoryCorps. And today, we hear from Josh Hanagarne. Josh has an extreme form of Tourette's syndrome, where his tics - his involuntary movements and sounds - have been so severe, they have pu

发表于:2018-12-17 / 阅读(89) / 评论(0) 分类 2017年NPR美国国家公共电台9月

the meaning of politics Guess what the true meaning of politics is. Poli is a Latin term meaning many and tics are bloodsucking creatures. Notes: 1. Guess what the true meaning of politics is. 猜猜看政治的真正含义是什么? 2. Poli is a L

发表于:2018-12-26 / 阅读(62) / 评论(0) 分类 英语笑话(MP3+文本)

AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: The election of 2008, in the words of 1828, the year Noah Webster published his epic American Dictionary of the English Language. We wanted to know how the man known as the foundi

发表于:2018-12-30 / 阅读(63) / 评论(0) 分类 词汇大师(Wordmaster)

Mothers and babies have been in the news this last week. First, Statistics New Zealand announced a slight increase in the birth rate and secondly the Capital and Coast District Health Board (which has hospitals in the Wellington area) is worried abou

发表于:2018-12-31 / 阅读(60) / 评论(0) 分类 新西兰英语

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson (Start at 1'04

发表于:2019-01-02 / 阅读(157) / 评论(0) 分类 科技之光

耳鼻咽喉科学Otorhinolaryngology 无机化学Inorganic Chemistry 有机化学Organic Chemistry 分析化学Analytical Chemistry 物理化学Physical Chemistry 仪器分析Instrumental Analysis 药物

发表于:2019-01-03 / 阅读(57) / 评论(0) 分类 医务英语

acroscleroderma 肢端硬皮症 acute eczema 急性湿疹 acute urticaria 急性荨麻疹 allergic cutaneous vasculitis 变应性皮肤血管炎 allergic purpura 过敏性紫癜 allergic systemic vasc

发表于:2019-01-03 / 阅读(81) / 评论(0) 分类 医务英语

Evan Gant使声波可视,给我们展示了cymatics的科技性和艺术性。cymatics不仅可以分析复杂的声波,例如海豚的声音,还可以创造复杂而漂亮的设计。

发表于:2019-01-05 / 阅读(78) / 评论(0) 分类 TED公开课:头脑游戏

By Lisa Bryant Sevran, France 27 October 2006 People walk in silence as they take part in a memorial march in Clichy-sous-Bois, northeastern Paris, Oct. 27, 2006 France is marking the first anniversary of rioting in the immigrant-heavy suburbs of Pa

发表于:2019-01-06 / 阅读(131) / 评论(0) 分类 2006年VOA标准英语(十月)

By Jim Malone Washington 02 May 2007 President Bush and congressional Democrats are expected to make a fresh attempt at compromise over funding the war in Iraq following the president's veto of an emergency war-funding bill Tuesday. VOA National Corr

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The ocumetics bionic lens by Canada 加拿大发明仿生镜片 Ocumetics Technology Corp in Canada has invented corrective bionic lenses allowing people to see three times better than twenty-twenty vision. 加拿大Ocumetics科技公司日前研发出

发表于:2019-02-01 / 阅读(75) / 评论(0) 分类 阅读空间

Todd: So, Anja, you are from Switzerland? Anja: Yes, exactly. Todd: So, I thought we would talk a little about your country. Anja: OK. Todd: First of all, what do you like most about being Swiss? Anja: Actually, what I like the most about Switzerland

发表于:2019-02-04 / 阅读(74) / 评论(0) 分类 原版英语对话1000个

Todd: So, Ruth, you're from Ireland. Ruth: Yes, that's right. Todd: And could you talk a little bit about the government in Ireland, like do you have a president or a prime minister? Ruth: In fact, we have both. We have a president, Mary McAleese, an

发表于:2019-02-06 / 阅读(78) / 评论(0) 分类 原版英语对话1000个

BEIJING, Feb. 14 (Xinhua) -- The State Council, or China's Cabinet, has worked out a five-year plan (2011-2015) to raise standards and improve quality in the medicinal sector, including Western medicines, traditional Chinese medicine, and generic dru

发表于:2019-02-07 / 阅读(183) / 评论(0) 分类 英语新闻

'Haptics' is a brand new sensory technology that's set to make today's electronics even more lifelike and thrilling. From white-knuckle video games to pregnancy simulators and even techno music - haptics could make all of these things even more reali

发表于:2019-02-14 / 阅读(79) / 评论(0) 分类 世界各地新闻集锦

The new iPhone SE failed to impress with its sales the first weekend after its release, according to statistics from Localytics. 根据Localytics近日发布的数据显示,新机型iPhone SE上市后首周末的销售表现不佳。 The sales in t

发表于:2019-02-18 / 阅读(55) / 评论(0) 分类 英语新闻

Todd: OK, now Steve, the Canadian political system and the American political system are quite different. Could you explain to me how the Canadian political system works? Steve: Sure. Basically in Canada there are 10 provences and three territories.

发表于:2019-02-19 / 阅读(80) / 评论(0) 分类 原版英语对话1000个
学英语单词
airfield flight information service
all-ceramic crown
allergic arteritis
anionoid rearrangement
annual cutting per cent
anone
arrhenatherums
as-of-right
autofont support
autologous bone marrow transplantation
balanced earthwork
BF3 neutron monitor
billi cycle
bolas
burmensis
childbear
climatic lifeform
contracting-expanding nozzle
customises
cyclobutanedicarboxylato
data antidependence
detasseling
dihydracrylamic acid
Dihydroisoalantolactone
dripping eave
editing procedure
exam system
Exanta
experimental mass-transfer coefficient
flood
flow routes of the meridians
folding wedges
forepass
frequency threshold
functionates
glossy black bituminous coal
goes so far as to
group VA element
hautboist
hitching of rope
husband-and-wife
Hymenochlaena pteroclada
I'll be hanged if...
i-thrat
integrated motorists information system
irghizite
iso cost line
joint probability distributions
Kiel Canal
kori
Kumagami
laser bandwidth
leedy
light conductors
linear configuration
lymbery
magnesia-alumina-silica
n'a
name days
Nieuw Nickerie
nitrate lye
non-functional
noncontender
number of revolutions
Oborniki
Oostmalle
order recommendation
P0-357
Pathwe
Percy Isles
phenylindanedione
pipettor
planning ahead
positive criteria
power adjusting test
primary ore mineral
push-type machine
repetitive projector
RR layup
sarcobiot
self-generating anemometer
sharing rate
Sigmodon hispidus
single channel radiometer
single sided double density
SML
ST_space_centres-of-objects
substitutive short
supercritical gaseous discharge
syder
symbol use table
Tabernas
tilt stabilization
timberlike
total divisor
transit of goods
travelling trolley
triboelectric series
unidirectional magnetic field
unprimitive
weldbore
zenith star