[摄] 变焦距物镜的最佳像面

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(577) / 评论(0) 分类 2018年VOA慢速英语(二)月

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发表于:2018-12-13 / 阅读(156) / 评论(0) 分类 加州英语分级G1

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发表于:2018-12-13 / 阅读(178) / 评论(0) 分类 加州英语分级G1

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发表于:2018-12-13 / 阅读(157) / 评论(0) 分类 加州英语分级G1

AMERICAN STORIES - Short Story: The Diamond Lens by Fitz-James O'Brien (Part 2) Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and

发表于:2018-12-16 / 阅读(159) / 评论(0) 分类 2011年VOA慢速英语(六)月

Five Digital Camera Mistakes by Vance Fry Everyone who buys a digital camera starts out as a digicam newbie. Avoid these five blunders and you won’t look like a newbie for long 1 Mistake 1: Not lear

发表于:2018-12-19 / 阅读(201) / 评论(0) 分类 彭蒙惠英语

03 Using a Camera GLOSSARY camera a device used to take photographs of images, people, or scenes * Im not a professional photographer, so I dont need an expensive camera. Justa simple camera is good enough for me. photography the art and science of t

发表于:2018-12-26 / 阅读(251) / 评论(0) 分类 2010年ESL之旅行交通购物

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 knowledgeable [ 5nClidVEbl ] He made s

发表于:2018-12-30 / 阅读(153) / 评论(0) 分类 每日攻克5词

Do you resemble someone famous? Jo: Hello, this is Real English from BBC Learning English, Im Jo. Sun Chen: 嘿,你好吗?我是孙晨。 Jo: In Real English, we look at words and phrases that you might not find in your dictionary. Sun Chen: 你是不是已经发

发表于:2019-01-02 / 阅读(198) / 评论(0) 分类 地道英语在线听

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:2019-01-02 / 阅读(131) / 评论(0) 分类 60秒科学

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(406) / 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(178) / 评论(0) 分类 Scientific American(六)月

Song:Zoom Artist:Tata Young Zoom Zoom in under my skin Gotta slow down now to begin Baby don't rush You can look but don't touch You think you know When u see me in my videos How the story goes But that's just the side that I expose Look through

发表于:2019-01-11 / 阅读(146) / 评论(0) 分类 英语热力歌曲

AMERICAN STORIES - Short Story: The Diamond Lens, Part 1, by Fitz-James O'Brien SHIRLEY GRIFFITH: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will te

发表于:2019-01-12 / 阅读(175) / 评论(0) 分类 2011年VOA慢速英语(六)月

Apple Inc. unveiled its new water- and dust-resistant iPhone 7 and a new version of its Apple Watch with high-resolution cameras at its fall product event on Wednesday, and said a Super Mario game was coming to the new phone and Pokemon Go would feat

发表于:2019-01-17 / 阅读(201) / 评论(0) 分类 实用英语

thanks for take ten minutes for cnn students news, we are glad to be part of you Thuresday, first story we have in Mahaton in New York city, Wednesday morning a large explosion callapse two buildings, a church and a piano store, officials are uncerta

发表于:2019-01-19 / 阅读(185) / 评论(0) 分类 CNN2014年(三)月

大家都知道spit的意思是“唾液”。可奇怪的是,有一个和spit相关的词组spit and image的意思却是“和……一模一样的(人或东西)”。 语源学界普遍接受的

发表于:2019-01-31 / 阅读(207) / 评论(0) 分类 英文语法词汇

今天我们要讲的两个习惯用语有同样的意思。它们都用来说某一个人非常像另一个人。第一个习惯用语是:dead ringer。 Ringer原来意思就是酷似某人的人或者很像某物的东西. Ringer有时可以指冒名

发表于:2019-01-31 / 阅读(281) / 评论(0) 分类 美国习惯用语

photo, photograph 照片,像片 snapshot, snap 快照 photographer, cameraman 摄影师 backlighting 逆光 backlighting photography 逆光照 luminosity 亮度 to load 装胶卷 focus 焦点 to focu

发表于:2019-02-02 / 阅读(156) / 评论(0) 分类 英文语法词汇

Ingrid: I dont mind lending you my camera for the trip, but first, let me show you how to use it. Deng: No need to do that. I took a photography class in high school, and I pretty much know all there is to know about taking pictures. Ingrid: Wasnt th

发表于:2019-02-18 / 阅读(155) / 评论(0) 分类 地道美语播客
学英语单词
a great volume of
a. subclavia
abnormities
anatomy in motion
anismus
area of water surface
arthrodial membrane
aulacaspis aceris
austausch coefficients
bhagas
black decoration on white ground
branched spark
bus duct
C. G. H.
carbo sanguinarius
chamber volume
clinkery
coded modulation
confirmation of purchase and shipping instruction
cut-weed
debris hazard
detachable-head
dillions
dog scooters
dzigettai
e waves
exergasy
exorbitancies
family melastomataceaes
family Phillidae
flat-earth
flight crews
galperson
genetic feedback
gentles
genus Madoqua
gift wrapped
gilt-edged investment
graph model of program
guard bit
hemolymph
high-grader
hydrogen recovery process
idiolalia
impacted incisor
imperial physician
industrial computer enclosure
intense pressure
Izod test
L (line)
ladled
leptodactylid
Lomandra
luteins
Maithili
manufactured inventory
matelots
metal containing dye
methyl cyclopentadiene dimer
modius
multiple-plate
multiplicand register
naeviform
naval attache
NZ
on - line output
pendulum type distributor
pitch cercle
program diagram
purgy
quilla
record of cash
remise
Rhodesian man
rice sheath blight
ring register
ripe wood cutting
rocket nozzle
rotted manure
ruffmans
schiavelli
sell sth at a sacrifice
semantic realism
separating machine
service after sale
single-family house
sodium oleic acid
spill blood
superficial radiotherapy
switchgears
Tambo, R.
Tarasovskaya
third generation computer language
threejaw
TOA
transfercase to pillow block shaft
transversalis
truly linear
uncloggers
vacuum decreasing rate
voacamine
xylarium