显微镜粒度法

Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will tell the story in two parts. Now, here is Maurice Joyce with part one of The Diamond Lens. When I was ten years old, one of my older cousins gave me a microscop

发表于:2018-12-08 / 阅读(551) / 评论(0) 分类 2018年VOA慢速英语(二)月

[00:00.00]Lesson 4 Atom [00:01.95]原子 [00:03.89]The really strange thing about atoms is that most of us will never see one. [00:08.87]原子最奇特之处在于绝大多数人永远也无法看到它。 [00:13.84]Atoms are so small that it's impo

发表于:2018-12-08 / 阅读(117) / 评论(0) 分类 赖世雄学英语第四册

Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Joyce with part two of The Diamond Lens. When I was a child, someone gave me a microscope. I spent

发表于:2019-01-03 / 阅读(384) / 评论(0) 分类 2018年VOA慢速英语(三)月

今天我们要学的词是size up。 To size up, 对某个人或某件事进行估计、评定。She is sizing up her romantic rival, 她仔细揣摩情敌的实力。The candidate sized up the situation and decided to withdraw, 这位候选人对选战

发表于:2019-01-06 / 阅读(120) / 评论(0) 分类 英语单词荟萃

After hundreds of years, the most common, basic microscopes still operate by means of the same old hardware: the lens. But what if you could do away with that lens and create a microscope that fits on a cell phone? Thats what researchers led by Aydog

发表于:2019-01-08 / 阅读(158) / 评论(0) 分类 Scientific American(六)月

This is the VOA Special English Development Report. Nanotechnology uses matter at the level of molecules and atoms. Researchers are finding different uses for particles with a length of one nanometer, or one-billionth of a meter. These include things

发表于:2019-01-11 / 阅读(111) / 评论(0) 分类 VOA慢速英语2007年(三)月

The Diamond Lens by Fitz-James O'Brien, Part Two 钻石镜头 by 菲茨詹姆斯奥布莱恩 Ⅱ Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Jo

发表于:2019-01-12 / 阅读(441) / 评论(0) 分类 2015年VOA慢速英语(七)月

The Diamond Lens by Fitz-James O'Brien, Part One 钻石镜头 by 菲茨詹姆斯奥布莱恩 Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will tell the story in two parts. Now, here is Maurice Joyce with part o

发表于:2019-01-12 / 阅读(165) / 评论(0) 分类 2015年VOA慢速英语(七)月

'The Diamond Lens' by Fitz-James O'Brien, Part Two 钻石透镜 II by 菲茨詹姆斯奥布赖恩 Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice J

发表于:2019-01-12 / 阅读(283) / 评论(0) 分类 2016年VOA慢速英语(九)月

Supersizing the American Dream Home This is a story about something called McMansions, the backlash to McMansions, and the backlash to the backlash about McMansions. McMansions are homes - new and very big homes. The name is borrowed from the super-s

发表于:2019-01-14 / 阅读(147) / 评论(0) 分类 VOA标准英语2011年(六月)

iPhone Becomes Low Cost Microscope The Apple iPhone can be used for lot of things making calls, playing games and sending pictures, video and text. Scientists say it also can be converted into a low-cost microscope to detect worm-related infections i

发表于:2019-01-14 / 阅读(142) / 评论(0) 分类 VOA标准英语2013年(三月)

衣服上的虚荣尺寸 anity sizing, also known as size inflation, is used to refer to the phenomenon of ready-to-wear clothing of the same nominal size becoming larger over time. 虚荣尺寸(vanity sizing),也叫做尺寸膨胀,指随着时

发表于:2019-01-20 / 阅读(153) / 评论(0) 分类 实用英语

Ladies first, partner? Edward asked. 搭档,女士优先?爱德华问。 I looked up to see him smiling a crooked smile so beautiful that I could only stare at him like an idiot. 我抬头看见他一脸坏笑,可笑得是那样的好看,害得

发表于:2019-01-22 / 阅读(91) / 评论(0) 分类 暮光之城•暮色

AMERICAN STORIES - The Diamond Lens, Part OneBy O'Brien, Fitz-James Broadcast: Saturday, April 01, 2006 Announcer: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story today is called

发表于:2019-01-30 / 阅读(150) / 评论(0) 分类 2006年慢速英语(四)月

AMERICAN STORIES - The Diamond Lens, Part TwoBy Fitz-James O'Brien Broadcast: Saturday, April 08, 2006 Announcer: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story is called The Di

发表于:2019-01-30 / 阅读(283) / 评论(0) 分类 2006年慢速英语(四)月

WASHINGTON, May 1 (Xinhua) -- Scientists from IBM on Wednesday unveiled the world's smallest movie, made with one of the tiniest elements in the universe: atoms. Named A Boy and His Atom, the movie used thousands of precisely placed atoms to create n

发表于:2019-02-04 / 阅读(120) / 评论(0) 分类 英语新闻

今天我们要学的词是size up。 To size up, 对某个人或某件事进行估计、评定。She is sizing up her romantic rival, 她仔细揣摩情敌的实力。The candidate sized up the situation and decided to withdraw, 这位候选人对选战

发表于:2019-02-05 / 阅读(148) / 评论(0) 分类 英语每日一词

逛街买衣服的时候,总是会在S和M两个尺寸之间纠结。每次把自己塞进S号的衣服里,都会顿时很欢喜。可是,你有没有想过,你穿在身上的S号跟几年前的S号是一样大的吗? Vanity sizing, also know

发表于:2019-02-09 / 阅读(141) / 评论(0) 分类 英文语法词汇

The Microscopic Technique Each advance in microscopic technique has provided scientists with new perspectives on the function of living organisms and the nature of matter itself. The invention of the visible light microscope late in the sixteenth cen

发表于:2019-02-25 / 阅读(157) / 评论(0) 分类 双语有声阅读

How could you say you know who I am? Do you ever wonder why I'm here? The thoughts play back in your head like a film that has been stick on repeat. Imagine that this picture of me is painted for you. A portrait is made to hold a moment and moments w

发表于:2019-02-26 / 阅读(134) / 评论(0) 分类 英文摇滚歌曲
学英语单词
.aw
Abazin
ambiguous phrase of combination type
apacible
appropriation of surplus
arceneaux
automatic curve plotter
autophytic bacterium
baldrich
bale bogie
bedaze
boiling water bath
bond denominated in Hong Kong dollar
Carai
chartered trading company
Chinese angelica
cinchoninic acid
clemences
closed feedback control system
crawford bay
design basis fire
diaphanodon blandus
digit absorber
domiciled
dov
drill teams
e. w. morleys
ecosystem efficiency
else-something
emundant
equal time point (etp)
extra duties
factor of safety
fairy-wren
fastness to pleating
filament generator
Floropipamide
Fonsagrada
fordoing
forest-products carrier
free medical treatment
geum strictums
Goan
gouty tophi
HPTLC
impulsive neurosis
ink-jet-plotter
invocating
keep A at B
level of care
liebich
light and temperature potential productivity
Lindemann glasses
lnacillin
Lochearnhead
londonite
long axis
longitudinal welding sequence
mark-space ratio
massachusetts bays
meromictic lake
metamorphosing
moonlight school
naphthalene
negative primaries
nonporous membrane
nozzle flow characteristic
nuclear antigen
outdare
over-dyeing
overprinted
phakogenic
preons
putting over
reauthorizes
rex-pats
scruboak
sectional route locking circuit
service is suspended between
shell archive
simbas
single-wing lock washer
spot killer
Stenhousemuir
stratum dentatum epidermidis
subscription book
supercharging system
ta t'i
tip-bunch builder motion
trainiac
tranquilisation
twelve-cylinders
ultraselect
undaria pinnatifida f.distans miyabe et okamura
unicidade
upper circumzenithal arc
vector polygon
WORK FOR SB
xxxiiiest
zanthopsin
zygomaticoauricular