玻璃毛细管粘度计

[00:01.00]Module 2 Developing and Developed Countries [00:09.22]Vocabulary and Listening [00:11.93]Activity 3 Check the meaning of these words [00:16.06]Now listen to the conversation and tick the topics you hear. [02:34.36]Activity 4 Listen again ch

发表于:2018-12-04 / 阅读(293) / 评论(0) 分类 外研社新标准高中英语必修(1-4)

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(127) / 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(105) / 评论(0) 分类 VOA标准英语2018年(六月)

Lesson 88 Condensation 第88课 冷凝 When the water in a kettle boils, it boils first at the bottom. 当水壶中的水沸腾时, 首先开始沸腾的是底部的水。 We cannot see this in a kettle, because the kettle is made of iron. 我们无法

发表于:2018-12-18 / 阅读(174) / 评论(0) 分类 英国学生科学读本

Kevin had just finished dessert. It was a piece of dark chocolate, washed down with a glass of cold milk. Delicious! He rinsed his mouth out with a glass of water, and then spit into the kitchen sink. He sat down at the dining room table and grabbed

发表于:2018-12-31 / 阅读(120) / 评论(0) 分类 365个英语简短小故事

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(195) / 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(160) / 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(176) / 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 Carol Pearson Washington 05 May 2008 High definition TV provides sharper images, but high definition imaging now goes beyond television. VOA's Carol Pearson reports on high definition eye glasses.

发表于:2019-01-07 / 阅读(162) / 评论(0) 分类 VOA标准英语2008年(五月)

Yvonne: This is 6 Minute English, I'm Yvonne Archer and Alice has kindly joined me for today's programme. Hello Alice. Alice: Hi Yvonne. Yvonne: Now Alice, how do you get around London? Alice: Ooh by bus, bicycle and usually the Tube. Yvonne: Aha, an

发表于:2019-01-07 / 阅读(240) / 评论(0) 分类 六分钟英语

London's 'Tube' Plays Crucial Olympics Role Massive overhaul Head into the Tube and you never quite know what you might find. With 12 million passengers passing through every day - and three million more expected during the Olympics - the Tube is its

发表于:2019-01-13 / 阅读(195) / 评论(0) 分类 VOA标准英语2012年(七月)

BBC Learning English London Life Friendliness on the tube Yvonne:I'm Yvonne Archer and this is London Life from bbclearningenglish.com. Hello! In today's programme, we're talking about friendliness on London's tubes. Is there any? As you probably kn

发表于:2019-01-16 / 阅读(287) / 评论(0) 分类 伦敦生活

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(129) / 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(146) / 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(228) / 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

This extra jostling pushes the atoms farther apart, causing the whole substance to slightly increase in size. If the substance cools off, its atoms stop pushing against each other so vigorously. This makes the substance shrink again. This connection

发表于:2019-02-15 / 阅读(140) / 评论(0) 分类 英语时差8,16

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(126) / 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
Anglican chant
anhormonia
anna-marie
annealing line
antitransform
ascariasis of lung
asima
astern of
azomethane esterification
bake out
Bandar Baharu
billiard halls
binge-purge syndrome
biocontrols
bird-foot violet
brain-picking
carbodicyclohexylimide
chamfer of thread
context-specificity
cowarde
cross helical gear
cuspate-arcuate delta
d-el
deflazacort
dente de cheval
discouraged worker
dominus
dummy pistion
earth spring
electroacoustic reciprocity principle
fandelta
fisherman's ring
formation dance (england)
fresh ground coffee
garbage-can
gas target
gautiers
gazette
gilvor
give sb food for thought
Goebbels
gommures
guideline tree
gustatory bud
harbor helicopter
hautman
individual task
intelligent fault recovery
interrupt disable
joseph-robinson
kalpac
kuck classification
lash a hammock
liquid waste
maiden plum
mesophase carbon micro bead
minthea rugicollis
mulletheads
nalla
nanomeshes
nixon in china
no-go decision
oil pollution prevention measure
one-way transfer
open loop feedback optimal
OSTAC
otonecretomy
Persicaria amplexicaulis
plastic deflection
positing
priori weighting
pseudodiadematid
pulsed NMR spectrometer
pyramidon poisoning
radiation pressure power meter
rebound theory
recleared
refracture index
Rosa shangchengensis
Run rings around someone
sae steel
screw bushing
Sedutain
serum bouillon
single die
sour-dough
stochastic unconditional transfer programmed grammar
swiveled
syntax directed recognition algorithm
texacromil
three categories of judgement
toll mode
toughness reguirements
turbo mixer
unblessedness
Varivax
vertical panel saw
well-knit
Wickham, Mt.
widney
woolly thistles
yo mama