高倍生物显微镜

Broadcast: Jan 10 2003 The Pentagon has issued a statement 2) asserting the military is prepared to protect its personnel from possible biological weapons attack. On the surface, the Pentagon's assert

发表于:2018-12-08 / 阅读(130) / 评论(0) 分类 VOA2003(上)-健康之旅

High-Resolution Microscope Brings Tiny Worlds Closer to Researchers 高分辨率显微镜让研究员更好观察小世界 Modern microelectronic devices contain billions of components crammed into thumbnail-size flakes. The chemical industry uses na

发表于:2018-12-08 / 阅读(93) / 评论(0) 分类 VOA标准英语2015年(十月)

[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(123) / 评论(0) 分类 赖世雄学英语第四册

AS IT IS 2014-06-28 DIY Microscope Costs Only One Dollar 自制显微镜只需一美元 From VOA Learning English, this is As It Is. Today we hear about a recent development in microscope technology. Now, you might think this will be about a costly a

发表于:2018-12-16 / 阅读(117) / 评论(0) 分类 2014年VOA慢速英语(六)月

Passage Transcript biochemistry is a very specific area of chemical science which, studies the interactions of biological systems with chemical components, and which also determines, which chemical components and, how interacts with the human body an

发表于:2018-12-28 / 阅读(203) / 评论(0) 分类 一起闲话英语-English Chitchat

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(392) / 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(169) / 评论(0) 分类 Scientific American(六)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(450) / 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(298) / 评论(0) 分类 2016年VOA慢速英语(九)月

By Lisa Schlein Geneva 20 November 2006 U.N. Secretary-General Kofi Annan is urging nations to do more to combat biological weapons, and to create global safeguards to keep them out of terrorist hands. Kofi Annan at a review conference on Biological

发表于:2019-01-12 / 阅读(209) / 评论(0) 分类 2006年VOA标准英语(十一月)

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(154) / 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(104) / 评论(0) 分类 暮光之城•暮色

AGRICULTURE REPORT - Biological Controls, Part 1 By Mario Ritter Broadcast: Tuesday, April 13, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biological controls are living

发表于:2019-01-30 / 阅读(147) / 评论(0) 分类 农业与发展

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(158) / 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(304) / 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(125) / 评论(0) 分类 英语新闻

人工生物角膜在中国研发成功 According to statistics, visual impairment for one forth of China's blind population was caused by problems with the cornea. For these people, a cornea transplant is the only hope they have of seeing again. In

发表于:2019-02-07 / 阅读(140) / 评论(0) 分类 英语新闻

Israel Practices Biological Attack Response The Israeli government has carried out a two-day exercise it says is aimed at boosting preparedness for any terrorist attack aimed at sparking an outbreak of a highly contagious disease. Israeli officials e

发表于:2019-02-12 / 阅读(157) / 评论(0) 分类 VOA标准英语2011年(十二月)

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(172) / 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(146) / 评论(0) 分类 英文摇滚歌曲
学英语单词
Abū 'Ushar
amphiboles
antihandling
apprentice training
assitants
backfilling bucket
basaltic glassy substratum
beat back
berth occupancy
berthoz
bicycle kicks
boddens
bona fide endorse
bullet - proof car
buuding
camboes
CGIC
cholera in pregnancy
cickness
Congo bars
contractionary policy
convex analysis
Cycas micholitzii
double-large post
drearily
eddy-diffusion
electrodynamic multiplier
far-field seismic signal
firewarning light
fonduk
fowl plague virus
gauze nozzle
generalized Jocobian variety
genus caryas
genus clethras
gross assets
Hoppin' John
hypochondriacal psychosis
immunobiologically
iron roof
korna
lam bruner
liquid crystal display operation
listed above
litocraniuss
lobbying act of 1946
low-wines
mobile communications
multimode graded index
Murray, Gilbert
My An Hung
neighbo(u)ring curve
nitro silk
nitrobenzyl cyanide
non - executive directors
non-coking thermal cracking
nonweapons
otter-down
overhastily
oxaliferous cystidium
oxynarcotine
Peke
plasma trough
probe resistance
processing on given material
projected debt service
Proletarskiy
quality of finish
quasi measurement
quitching
radiocarbon stratigraphy
radiometric substance
ratchet bit brace
rearrangement of fuel
relief pressure control valve (hydraulic)
resonium-A
riccardia angustata
rotundnesses
ryuteki
sackungs
seal-off mercury-arc rectifier
spur protection
steam chest cover gasket
sucrose extraction
surface veneer
tda (time delay amplifier)
the aftermath
thermohalocline
time integration stage
toe mounter
Torre de Moncorvo
tracking mechanism
Trade Date Accounting
tri-sets
tsubota
tumblersful
unmonitored control system
unplowable
urineless
vinblastin
working ability
Zalma