[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(522) / 评论(0) 分类 2018年VOA慢速英语(二)月

图片1 图片2

发表于:2018-12-13 / 阅读(107) / 评论(0) 分类 加州英语分级G1

图片1 图片2

发表于:2018-12-13 / 阅读(120) / 评论(0) 分类 加州英语分级G1

图片1 图片2

发表于:2018-12-13 / 阅读(107) / 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(98) / 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(141) / 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(178) / 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(104) / 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(135) / 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(84) / 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(341) / 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(130) / 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(94) / 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(118) / 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(134) / 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(118) / 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(140) / 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(227) / 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(109) / 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(97) / 评论(0) 分类 地道美语播客
学英语单词
a la carte
achmat
active interrogation
ameridata
anesthestospasm
annual institute in communication
aphua
ascopan
at hard edge
back current brake
BB-S-226
bed-component
Benchley
boomster
booster transformer
buggee
cavitation erosion
central fore-and-aft vertical plane
chondrotomy
coagulo reaction
complete coloring
continuous progression code
cordis neurasthenia
coreomyces micronectae
denopterin
direct print plywood
disabled folders
episinus punctisparsus
everex
face sth out
Folling
foundational narrative
fresh water biochemistry
gangl
Gentiana thermalis
Guruhood
heart urchins
heat-inactivated
heavily-doped
hordeola
hydrazinium selenate
identification of human remains
incidence loss coefficient
infantum tabes
internationalisms
laser-etched
letter-bomb
linear motion bearing
lintensity meter
load control rheostat
Long Lake National Wildlife Refuge
loveth
low-melting-point eutectic
mau-maued
Mbanga
military technological economics
modulus-weight ratio
Montebello Vicentino
multi-arm
multicolor finish
neurosexist
open crank case compressor
panhandled
Peranakans
perinaldo
permissible loads
pilot cloths
precision industry
professly
quarter wave plate
radio and television
radioactive detector
reduced system of residues
reduction by hyperextension of spine
religious ritual
roll brush
rudder lock pintle
running curve
saccharization
Samcheong-gun
scarlatinal toxin
scissors lifter
simple formatted record
single-blind technique
slope of stairs
sodium hydrosulfate, sodium hydrogen sulfate
steam piano
stress relaxation test
systemization
televiewing
toeclipping
tractus striatothalamicus
traister
uncarbonated juice
us friend
villarette
water-lock
Weber joint
wemay
wraak
yes siree
zinconise (hydrozincite)