【光学】史密斯—贝克显微镜

TEXT Want to know how to improve your grades without having to spend more time studying? Sounds too good to be true? Well, read on... How to Improve Your Study Habits Perhaps you are an average student with average intelligence. You do well enough in

发表于:2018-12-03 / 阅读(106) / 评论(0) 分类 大学英语听力第一册

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(488) / 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(61) / 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(318) / 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(97) / 评论(0) 分类 Scientific American(六)月

69.Telephone 1.Could I speak to Ned Mosby,please? 2.Could I talk to your manager,please? 3.May I speak to Chris,please? 4.Can I take a message? 5.Could I take a message for you? 6.Do you want to leave a message? 7.Would you like to leave a message? 8

发表于:2019-01-11 / 阅读(107) / 评论(0) 分类 英语口语每天说

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(60) / 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(383) / 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(112) / 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(220) / 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(79) / 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(47) / 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(102) / 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(216) / 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(59) / 评论(0) 分类 英语新闻

(一) A:Stone Corp. Hi, Mary speaking. 隐四通公司, 您好,我是Mary。 B:Hello, Id like to speak to Mr. Hunter, please. 你好,我想找Hunter先生。 A:May I ask who is calling, please? 请问您是哪位? B:My name is H

发表于:2019-02-07 / 阅读(39) / 评论(0) 分类 实用英语

Conversation 1 会话 1 A:Hello,ABC Company. A:您好,ABC公司 B:Hello,could I speak to Mr. Wang,please? B:您好,能让王先生接电话吗? A:I am sorry. He's out in a meeting now. Could I ask who is call-ing? A:很抱歉,他现在正出席

发表于:2019-02-08 / 阅读(85) / 评论(0) 分类 巧嘴秘书情景对话

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(81) / 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(76) / 评论(0) 分类 英文摇滚歌曲

A: Stone Corp. Hi, Mary speaking.四通公司,您好,我是Mary. B: Hello, I'd like to speak to Mr. Hunter, please.你好,我想找Hunter先生。 A: May I ask who is calling, please?请问您是哪位? B: My name is Herbert Wood of IBM Com

发表于:2019-03-11 / 阅读(127) / 评论(0) 分类 实用英语
学英语单词
Abercrombie R.
academic atmosphere
acanthus longifolius poir.
advance pulse
and the horse you rode in on
andrachne
arrowre
assembler source file
auditory hyperesthesias
axillary sclerate
basocytosis
Basso, Hamilton
be predestined
biogram
bivy
blast-proof door
bodypainting
cannulate
Caolisport, Loch
Cassaro
chain of custody sample
chemically active film former
chlormequat
clay-colored robin
Climacograptus
coelomic artery
cold bending machine
computing technique
cone-to-cylinder junction
cook shop
cylindrical bulb
diphenylheptylphosphine oxide(DPHPO)
double divided press
doubtful failure
epicentralia
eudoxoides spiralis
Far Eastern
find-fault
finninger
flasing beacon
floor plans
fragger
furniture shutter
gene linkage
hay pelleting machine
heavy-bedded
hong kong ballet
in coordination
inhibitory syndrome
initiation of job
insurance take
irrigation design
kiln mark brick
kilogram calorie
Lemelerveld
lifetime lubrication
lytic infection
magnetodiscs
malononitriles
manufacturing inventories
marking of coaches
Micapal
municipalizes
nonfinancial debt
North Atlantic Treaty Organization
of its own accord
ophiobolenal
organry
outer doublet
pannier
partes humeroulnaris
pitch ... tent
planting by single trees
pork stomach
postscored
psychiatric psychology
qing-ling
railroad survey
read/write waiting time
recurrent tachycardia
reflectivities
reject a proof
Roman Renaissance
roundpole fence
sample analog data
scintillescent
ship scrapping method
spring sag
steppe mammoths
synchronous data transmission
Tarumirim
ticketoffice
titanous fluoride
traversetable
triptychs
valuable securities
vibration isolation equipment
vinted
wristbone
yofortierite
zoogleas