毛细管有效长度

There are six characteristics of speech, all of which are vital to speak effectively. In this section we'll look at each of them separately. These speech characteristics are basically important to you

发表于:2018-11-28 / 阅读(229) / 评论(0) 分类 疯狂英语2001年

BY STEPHEN R .COVEEY The first habit is 1)proactivity. Be proactive. The word proactivity is fairly common in management literature, but you won't find it in the dictionary. It means more than merely

发表于:2018-11-28 / 阅读(272) / 评论(0) 分类 疯狂英语2001年

Asian Bacteria Threatens Florida Orange Trees 亚洲细菌威胁到佛罗里达橘子树 Florida's citrus fruit industry is facing a serious threat from a bacteria carried by an Asian insect. The widespread infestation again highlights the danger of

发表于:2018-12-08 / 阅读(125) / 评论(0) 分类 VOA标准英语2014年(八月)

Computer scientist Shwetak Patel and his team are developing new sensing systems. The initial focus was really around energy and water monitoring.They built a new generation of smart sensors that monitor electronic interference on a homes power line

发表于:2018-12-08 / 阅读(104) / 评论(0) 分类 VOA标准英语2018年(六月)

By Melinda Smith Washington 31 August 2007 Centuries ago doctors used hypnosis to help relieve the excruciating pain of surgery. It then fell out of favor with the introduction of anesthesia. Now as VOA's Melinda Smith reports, new studies show a hos

发表于:2018-12-16 / 阅读(187) / 评论(0) 分类 2007年VOA标准英语(八月)

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 arm [ B:m ] He received a call to arms

发表于:2018-12-30 / 阅读(181) / 评论(0) 分类 每日攻克5词

Epidermal growth factor - a cytokine that stimulates epithelial cell proliferation. Epinephrine - a neurotransmitter substance found at all adrenergic synapses (nor epinephrine or epinephrine). It is

发表于:2019-01-03 / 阅读(192) / 评论(0) 分类 医务英语

Inflammation - is a whole complex of events which occur in sequence, in response to injury. Tissue damaged by bacteria, chemicals, heat, trauma etc, release histamine and bradykinin and serotonin whic

发表于:2019-01-03 / 阅读(158) / 评论(0) 分类 医务英语

Basal lamina - a term used to describe the different layers which make up the basement membrane. These different layers of the basement membrane, the lamina lucida and lamina densa are only visible wi

发表于:2019-01-03 / 阅读(175) / 评论(0) 分类 医务英语

head 头 throat 喉咙,咽喉 armpit hair 腋毛 nipple 乳头 chest 胸部 pit 胸口 navel 肚脐 abdomen 腹部 private parts 阴部 thigh 大腿 neck 脖子 shoulder 肩 back 背 waist 腰 hip 臀

发表于:2019-01-05 / 阅读(177) / 评论(0) 分类 英文语法词汇

By Jessica Berman Washington 14 May 2008 Researchers have determined that commonly prescribed triple-drug combination therapies that use old antiviral drugs are the most effective for suppressing the deadly virus that causes AIDS. The findings have m

发表于:2019-01-09 / 阅读(159) / 评论(0) 分类 VOA标准英语2008年(五月)

Up in arms At arm's length 在美国人讲话时,或从书刊报纸上,你经常可以听到或见到一些由手臂,就是英文里的arms这个字组成的成语或俗语。有些习惯用语从

发表于:2019-01-14 / 阅读(222) / 评论(0) 分类 美国习惯用语

GUY RAZ, HOST: I want to ask you about this really famous Talmudic notion - actually, it might be that in the Quran as well - but this idea that, you know, if you save a single life, then you have saved all of humanity. You know that one? PETER SINGE

发表于:2019-01-17 / 阅读(136) / 评论(0) 分类 2017年NPR美国国家公共电台5月

亚洲细菌威胁佛州橘树 Florida's citrus fruit industry is facing a serious threat from a bacteria carried by an Asian insect. The widespread infestation again highlights the danger of transferring non-native species to American soil. 佛罗里达

发表于:2019-01-19 / 阅读(128) / 评论(0) 分类 VOA双语新闻 2014年9月

It's similiar to a pregnancy test: a drop of liquid on a strip of paper causes an easily seen color change. But imagine that kind of simple, cheap technology employed in testing for pollution or health issues anywhere and on the cheap. Researchers at

发表于:2019-01-20 / 阅读(144) / 评论(0) 分类 Scientific American(八)月

We all make resolutions every year to keep fit whether we have diabetes or not. The difference is that as people with diabetes, we need to keep fit, and we know that even if we don't do anything about it. One only has to read the medical abstracts an

发表于:2019-02-03 / 阅读(227) / 评论(0) 分类 实用英语

护士:早上好! Nurse: Good morning. 病人:你好! Patient: Good morning. 护士:请问哪里不舒服? Nurse: What seems to be the problem? 病人:高烧,感觉糟透了。 Patient: Im running a high fever and feeling terribly bad. 护士:这种情况出现有多久了? Nurse

发表于:2019-02-06 / 阅读(143) / 评论(0) 分类 英文语法词汇

[00:39.12]height 高度 [00:43.33]length 长度 [00:47.42]mathematician 数学家 [00:52.35]be required to do something 被要求做某事 [00:58.34]measuring tape 卷尺 [01:04.45]A team of mathematicians were required [01:06.76]to measure the heigh

发表于:2019-02-15 / 阅读(183) / 评论(0) 分类 英语笑话(MP3+文本)

只要讲英语就会用得上的词汇 闪光之说: 1、shine: 照耀,指光稳定发射; 2、glitter: 闪光,指光不稳定发射; 3、glare: 耀眼,表示光的强度最大; 4、sparkle:闪烁,指发射微细的光度。 打破之说

发表于:2019-02-21 / 阅读(125) / 评论(0) 分类 实用英语

Sugar bowls and hole 孔隙是岩土固体矿物颗粒间的空间。岩土中直径大于1毫米、重力水可于其中自由运动的孔隙,是大孔隙(macro-pore,large pore)。岩土中直径为0.01~1毫米、重力水和毛管水可存其

发表于:2019-03-09 / 阅读(171) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
acephalus dipus
air stabilized foil
al-thawra
Anogramma
antineutrality
Arifuku-jima
bath room
Blomoy
brandlings
bromooctane
buck fevers
butterfly rays
cantillations
carbon density
Caucasia
choke something down
Chrysosplenium sikangense
complementary pattern
cone packer
conjugate antisymmetric sequence
coolhouses
cooling-power thermometer
cut out for
defriends
directional well
distillant
electrocapillary
elliptic irrational function
eumecocera lineata
feel quite oneself
g-h
gabrielsonite
genus Spinacia
gynoecial
hermer
high order harmonic component
homefields
hydriatrics
imagetext
keyboard data ready
laies on the table
line of position run
line state method
liquid flow equation
Machilus attenuata
maecha
manufacturers standard
mat printing paper
match-fitnesses
materials testing reactor
mennas
mycobacterium gordoneae
Myeongjisan
noduli lymphatici aggregati
nonfoundationalism
nonimpact printing process
opercular valve
over-particular
oya
pamaquine
partes intermadia of Wrisberg
plastics machinery
primary air regulator
RADA (random access discrete address)
refunds
regenerative capacity
relative control range
reticulaphis septica
sahui
Salvesen Cove
sanious pus
semi-sphere
Shemenichi
sinuosity of river
sinusoidal jump function
Sir Richard Owen
sliding scale
soul-doctor
spanish civil wars
spark length
splinter-bar
spread like wildfire
start-up circuitry
statements based on collusion
stays back
strainth
strong base type ion exchanger
submerged melt arc welding
suturae sphenoethmoidalis
talk-in
technical coopreation among developing countries
the delicacies of the season
the swedish
tigrish
two-liquid theory
ungeographical
upper guard cam
user's
weatherbeaten
WUI
xiphonite
Zayatkwin