[光] 液体光学

They Did It With Mirrors! You can’t stand in front of the paintings of the old masters and not wonder, how did 1) Frans Hals make that lace seem so real? How did 2) Van Dyck make his armor so gleami

发表于:2018-11-28 / 阅读(255) / 评论(0) 分类 疯狂英语2003年

Passing Through Airport Security Roland: Why are you so nervous about flying? Natalie: Im not nervous about being in the air. Its going through security. I hear its a hassle and I dont want to end up being strip-searched. Roland: You wont be strip-se

发表于:2018-12-03 / 阅读(131) / 评论(0) 分类 2012年ESL之旅行交通购物

Lesson 91 Milk And Its Uses 第91课 牛奶及用途 Every child likes to drink new milk. 每个孩子都喜欢喝鲜牛奶。 How pleasant it smells and how sweet it tastes! 那香浓的味道, 甜美的滋味是多么诱人! Do you not want to kn

发表于:2018-12-18 / 阅读(87) / 评论(0) 分类 英国学生科学读本

Newtons Apple Tree 牛顿的苹果树 Newton was an English physicist and mathmatician,and was the greatest scientist in his era. 牛顿是一位英国物理学家和数学家,也是他那个时代最卓越的科学家之一。 Isaac Newton was bor

发表于:2018-12-18 / 阅读(149) / 评论(0) 分类 走进剑桥大学

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(139) / 评论(0) 分类 Scientific American(三)月

You can't take that on the plane. 你不能把那个带上飞机。 You look like Japanese. 你看起来像是日本人。 机场安检 A: Do you have any liquids, laptop computers or ipads in your bag? 你有任何液体、手提电脑、或者平板电

发表于:2018-12-26 / 阅读(128) / 评论(0) 分类 这句英语怎么说

A: How are you feeling today? B: I have a terrible cold! A: Where do you think you picked that up? B: A lot of people in my gym have it. Maybe I got it from the equipment. A: Have you taken anything for it? B: I think that I am just going to rest and

发表于:2018-12-26 / 阅读(110) / 评论(0) 分类 健康-Health

Why Do Zebras Have Stripes? For many animals, camouflage is an important part of survival. A leopards spotted coat and a polar bears white fur help them blend into their respective environments. But a zebras bold stripes cant help to disguise it in i

发表于:2018-12-31 / 阅读(100) / 评论(0) 分类 英语听力文摘 English Digest

You probably know a lot of food words, such as bread, apple and rice. But knowing which foods are countable and which are not can be tricky. In todays Ask a Teacher, Abdo from Sudan writes: Question: How do I know which foods can be plural? For examp

发表于:2019-01-03 / 阅读(145) / 评论(0) 分类 2018年VOA慢速英语(九)月

RANDI KAYE, CNN CORRESPONDENT: We take our shoes off, remove our laptops, and toss our bottled water all in the name of safety. But are we any safer today than we were before 9/11? Not exactly, says Bruce Schneier, author and security technologist. B

发表于:2019-01-08 / 阅读(409) / 评论(0) 分类 CNN2010年(一)月

Gas 气体 There are three different kinds of matter. They are solids, liquids and gases. 物质分三种:固体、液体和气体。 Gas has no shape, so you can't touch gas. 气体本无形,所以你触摸不到。 Gas moves very freely. 气体能

发表于:2019-01-10 / 阅读(134) / 评论(0) 分类 与美国小学生一起学英文第5册

Lasers Used to Chill, Instead of Heat 有史以来第一次:科学家使用激光冷却液体 University of Washington researchers say they used a laser to turn hot water into cool water. Five engineers from the university are the first in the 50-yea

发表于:2019-01-12 / 阅读(109) / 评论(0) 分类 2015年VOA慢速英语(十二)月

A: You look a bit under the weather. B: I am not feeling all the great. I think I have that crud that is going around. A: I know that its going around the dorms. B: My boyfriend hasnt been feeling so well. Maybe he passed it on to me. A: I have some

发表于:2019-01-15 / 阅读(157) / 评论(0) 分类 英语情景对话-健康

The finger which is wet with alcohol will be dry before you can count ten, while the finger which is wet with water may take a minute or more to dry. 在你数到十之前, 那根沾有酒精的手指就会变得干燥, 而另外一根沾有水的手指

发表于:2019-01-17 / 阅读(118) / 评论(0) 分类 英国学生科学读本

Welcome to Lesson Eight. For this lesson,you'll need a pencil and a piece of paper. Mike has no idea what he should buy for little Peter Winn. He decides to call WEFL and ask for advice. First he talks to Maria.Listen. It's winter,Mike.Buy a baby hat

发表于:2019-01-20 / 阅读(191) / 评论(0) 分类 洪恩环境英语

Its a stunning location, but its also mysterious. These stars are not just close together. They are on the move at enormous speeds. Going to the heart of a galaxy might not be the similar to going to an amusement park. The rides are some similar to h

发表于:2019-01-22 / 阅读(280) / 评论(0) 分类 自然百科2011年

December 29 12月29日 Read it! 读读看! Oh, no! Everyone is getting sick. 糟糕!大家都生病了。 Taylor has a headache. 泰乐头痛, She is also starting to cough a lot. 也开始不断咳嗽。 Alex's stomach doesn't feel very good. 亚

发表于:2019-01-23 / 阅读(111) / 评论(0) 分类 大家说英语

可以调焦的眼镜? They may look like an ordinary pair of spectacles, but these glasses are at the forefront of a revolution in eyewear. 它们看起来像普通的眼镜,但是是眼镜改革的最前沿。 Part of a new line of electronic eye

发表于:2019-02-07 / 阅读(145) / 评论(0) 分类 实用英语

I wasn't aware of that policy 我不知道那项规定。 be aware of.. 意识到... He was not aware of the mistake he had made. 他没有意识到自己犯的错误。 policy 政策;策略 foreign policy 外交政策 The company has adopted a stric

发表于:2019-02-12 / 阅读(116) / 评论(0) 分类 跟艾米莉一起学口语

foundation 粉底 pressed powder 粉饼 loose powder 散粉 brow powder 眉粉 brow pencil 眉笔 brow brush 眉刷 liquid eye liner, eye liner 眼线液笔/眼线笔 eye shadow 眼影 mascara 睫毛膏 blush 腮红 lipstick 口红 SPF = Sun Protec

发表于:2019-02-16 / 阅读(156) / 评论(0) 分类 早安英文
学英语单词
air-borne particles
anguality
appliance mains switch
arbitrage in foreign exchange
at sb's convenience
bhatt
bombing sight
budget for growth
buffalo bug
carnifexes
cellular endospers
chromium oxide
claim for guarantee
competitive trades
concierge service
constant weighting
continental glaciers
cony-catching
correlation calculation
customizable
daisy chain bus arbitration
domicile place
door-bell and button system
double address
drum valve
eben-
electronic steering
Escorca
Exazol
file error flags
flamboyant Gothic
food-import
frisette
game time
genus bryas
good-for-you bacteria
governor work output
hildrew
hydraulic resonance
hypsochromy
information retrieval and management language
inscend
Inspection of Dry Cargo Hold
Iris bungei
Izhevskoye
jasminum paniculatum roxb.
jegede
K-theory
Khwarazmian
KRRS
ling hsing wu
lipidogram
loli-con
lucidioline
Machelen
made his appearance
magnetic biasing
management quality
Matricaria L.
metridia macrura
milling and boring machines
neuropterologist
new english bibles
NIM module
nonaerial
noncontributory
nonrevolving letter of credit
organizability
OS/VS (operating system/virtual storage)
Picea engelmannii
pickaback plant
plug in type connection
price maintenance agreement
principens
programming system library
pseudo saccharin chloride
quilt cover
rearenqine bus
restrengthens
scanning amplitude
shag-hair
ship yard
shot peening strengthening
sireniform
soil classification tests
soul-driver
Soyuz Spacecraft
spontaneous atlanto-axial dislocation
Stellaria saxatilis
subswitch
sulfide titration
sushi bar
syslog
taro root
team-men
timing switch
tolerance and fit
tween instances
usch
veratrum shueshanarum
war geography