测高显微镜

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(622) / 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(189) / 评论(0) 分类 赖世雄学英语第四册

Alex: So Maria, I thought we'd just talk about things like what would you like to change about yourself? What would you like to change about your appearance? Maria: Well, I don't like to think about changing myself. I like how people look from the bi

发表于:2018-12-25 / 阅读(171) / 评论(0) 分类 原版英语对话1000个

Alex: So Maria, I thought we'd just talk about things like what would you like to change about yourself? What would you like to change about your appearance? Maria: Well, I don't like to think about changing myself. I like how people look from the bi

发表于:2018-12-29 / 阅读(174) / 评论(0) 分类 英语趣味课堂

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(460) / 评论(0) 分类 2018年VOA慢速英语(三)月

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(245) / 评论(0) 分类 Scientific American(六)月

Diameter 直径 A diameter is a straight line inside a circle. 直径是圆内的直线。 Can any straight line in a circle be a diameter? 圆内的任何直线都是直径吗? No, its two ends must meet at two different points on the circle. 不是

发表于:2019-01-10 / 阅读(210) / 评论(0) 分类 与美国小学生一起学英文第9册

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(166) / 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(506) / 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(235) / 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(371) / 评论(0) 分类 2016年VOA慢速英语(九)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(221) / 评论(0) 分类 VOA标准英语2013年(三月)

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(153) / 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(219) / 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(364) / 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(185) / 评论(0) 分类 英语新闻

Viruses prosper by hijacking the genetic material of a living cell and using it to produce more virus. 病毒掠夺活细胞的基因材料,用来制造更多的病毒,从而大量生长。 They reproduce in a fanatical manner, then burst out in

发表于:2019-02-17 / 阅读(145) / 评论(0) 分类 万物简史

Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacter

发表于:2019-02-17 / 阅读(191) / 评论(0) 分类 双语有声阅读

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(236) / 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(200) / 评论(0) 分类 英文摇滚歌曲
学英语单词
Aberdyfi
absconding
actual draft
as nice
battery-charging booster
beautilities
blew their top
calcinogenic plant
capillurgy
Chlamydia trachomatis
chromaticity transducer
coil build-up line
copy sth by rote
cranio
detergent alcohols
dicarbonate
dirty Juanita
dual speed synchro system
e-mail header
EDP
Epyris
Etorofu
farm work
Fortunian
generalized Newtonian fluid
genus ctenocephaluss
Gestalt, gestalts
glassell
go with a swing
granbury
hand instrumentation
head-on cross-section
Herbert Blythe
high temperature annealing
highchair
HQDA
Huey Long
idiotopy
in billions
industry-wide
intersection capacity
jumper printing machine
Kokovka
koyaanisqatsi
kuren
Majunga, Prov.de
marine hydrology
marine radio beacon station
mavournin
maximum permissible speed of car
metacrystallic rock
minterm-type expression
missionaryized
mobile battle
motyka
Namburis
naranjillas
national bibliography
nephashoth
Nervi caroticus internus
nucleocomplexes
occupied zone
orbital pertubation
passing chord
photochemical dissociation
photonic ink
project for the advancement of coding technique (pact)
projective techniques
propiolactone
pulse pack
refugee camps
relay outside lead
return and allowance book
Richardson-Dushman equation
scombrotoxic
sea apples
Sheehan
sheller unit
siegbahn unit
siphunculated
socialist public property
sodium acetrizoate
Solenanthus circinnatus
step measuring
sultamicillin
Tandragee
ternary bilinear form
theological ballets
thrust-pound
time increment
time-independent perturbation
tripaschal
TSQ
twitching pain of muscle
Ujelang Atoll
unconjugated hyperbilirubinemia
verdurous
Wangnet
wheatsheaf
wire-haired fox terrier
wistfully