光敏胶;感光乳剂

Introduction This support pack accompanies the audio soap opera 'Big City Small World'. This support pack contains the following materials: . a pre-listening vocabulary activity; . the transcript of the episode; . a comprehension activity; . three la

发表于:2018-12-03 / 阅读(124) / 评论(0) 分类 英语听力 大城市小世界

Gene Therapy Halts Vision Loss in Dogs Researchers have stopped vision decline in dogs with an inherited disease that causes blindness. The gene therapy technique they used may someday stop vision loss in humans. Retinitis pigmentosa (RP) is an eye d

发表于:2018-12-16 / 阅读(132) / 评论(0) 分类 VOA标准英语2012年(二月)

Bringing up a sensitive topic Can I talk to you for a minute? Can I ask you something? Do you mind if I ask you something? I need to talk to you for a minute. I have to tell you something. There's something I need to tell you. There's something I thi

发表于:2018-12-17 / 阅读(178) / 评论(0) 分类 跟我学英语入门篇

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

发表于:2018-12-24 / 阅读(140) / 评论(0) 分类 2015年Scientific American(一)月

[00:06.37]Some people cannot see all colors correctly. [00:10.92]They cannot see all the colors in a rainbow or a sunset. [00:16.40]They cannot tell if the meat they are cooking is done or if a fruit is ready to be eaten. [00:23.61]Poor color sight a

发表于:2018-12-26 / 阅读(125) / 评论(0) 分类 美国英语听力80篇

Night Vision And Humans: Why Cant We See Color? When we are in a fairly dark room, or outside at night away from lights, we can still see, but we cant see the colors of things very well. Why is that? There are two kinds of light-sensitive organs loca

发表于:2018-12-31 / 阅读(149) / 评论(0) 分类 英语听力文摘 English Digest

Smaller Fingers Mean More Sensitive Fingertips A study in the Journal of Neuroscience finds that people with smaller fingers have more sensitive fingertips, probably due to a higher concentration of touch receptors in a given area. Cynthia Graber rep

发表于:2019-01-02 / 阅读(175) / 评论(0) 分类 60秒科学

Get with it! 跟上(时势、潮流、事情的发现状况等)吧! A: You know. I noticed that almost everyone in my class owns a cell phone. A: 你知道吗? 我发觉我们班上几乎每一个人都有一台手机。 B: Please! Cell phones are a

发表于:2019-01-08 / 阅读(197) / 评论(0) 分类 美国俚语

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

发表于:2019-01-11 / 阅读(176) / 评论(0) 分类 英语杂谈

Touch: One Word, Many Uses Hello and welcome to Words and Their Stories! Touch is one of our five senses. It is our only language before birth -- as we develop inside our mothers. Later, touch is important when we are young children learning about th

发表于:2019-01-12 / 阅读(140) / 评论(0) 分类 2016年VOA慢速英语(二)月

今天我们要学的词是sensitive。 Sensitive, 是敏感的意思。A sensitive topic, 就是敏感的话题。 Employment experts warn job seekers not to give out sensitive personal information when applying for positions online, 就业问题专家

发表于:2019-01-20 / 阅读(102) / 评论(0) 分类 英语单词荟萃

By Paul Sisco Washington 16 April 2008 A congressional subcommittee recently heard testimony that sensitive aircraft technology and a vast array of stolen military gear is for sale on eBAY, Craigslist and other Internet sites. A Government Accountabi

发表于:2019-01-20 / 阅读(179) / 评论(0) 分类 VOA常速英语2008年(四月)

Because from trillions of miles away, these small planets get lost in the blinding glare of their stars brightness. The sad truth of the matter is that earth-like planets are near cosmic specks of dust. And therefore detecting them is really quite ha

发表于:2019-01-22 / 阅读(128) / 评论(0) 分类 自然百科2010年

Cats And Colors You can look at that quilt your cat is curled up on and see a patchwork of greens, blues, and yellows. Your cat, however, cannot see color variation in the quilt. And here is why. Both humans and cats depend on the back layer of the e

发表于:2019-01-22 / 阅读(160) / 评论(0) 分类 英语时差8,16

Dad: Hi! Did you have a good day? Jasmine: Yes, I did. Dad, may I have a pet? Dad: Why do you ask that? Jasmine: My friend Sophy got a puppy for her birthday. Dad: That was nice. But you have to look after a puppy. Jasmine: I could look after a pet.

发表于:2019-01-23 / 阅读(139) / 评论(0) 分类 英语学习乐园

今天我们要学的词是sensitive。 Sensitive, 是敏感的意思。A sensitive topic, 就是敏感的话题。 Employment experts warn job seekers not to give out sensitive personal information when applying for positions online, 就业问题专家

发表于:2019-01-25 / 阅读(137) / 评论(0) 分类 英语每日一词

我们身边都有女汉子,你注意过她们的感受吗? 1. They're not sensitive. 她们不敏感。 2. They don't like compliments 她们不爱被夸。 3. They know absolutely everything 她们无所不知。 4.They don't care about other p

发表于:2019-02-06 / 阅读(136) / 评论(0) 分类 卡卡课堂早餐英语

Lesson 332 He's sensitive. 1.He's sensitive.他很敏感。 2.Don't be so sensitive.别那么爱过敏嘛。 3.You're too sensitive.你太敏感了。 4.It's sensitive question.这是个敏感的问题。 5.The instrument is sensitive.这仪器很灵敏

发表于:2019-02-12 / 阅读(180) / 评论(0) 分类 辛沛沛NO-BOOK 辛沛沛傻瓜机口语极短句

1. Calm down. 冷静一点. 2. Don't get so excited about it. 别因为这事儿太激动。 3. Don't go into hysterics. 不要歇斯底里的。 4. Don't lose sleep over it. 别因为这事儿睡不着觉。 5. Don't let it get to you. 别让他影响

发表于:2019-02-19 / 阅读(128) / 评论(0) 分类 英语口语

Cats And Colors 人类能够很容易的分辨出不同的颜色。那么猫呢?虽然猫的视力很好,即使在非常昏暗的光线条件下也能看见,但它对于如何分辨不同的颜色似乎并不擅长。 Cats and Colors on this mo

发表于:2019-02-24 / 阅读(137) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
262
ABEOJ (abnormal end of job)
address map
airborne target locating system
Aka-saki
as many again
B-H curve
babettes
bacteriotome
be lavish in someone's praise
bite the big one
Boniniella
calidris himantopus
carbon nanotube-based electrochemical dna sensor
carbonatize
carnelians
cement joint of pipes
chronography
clash against
clatterfart
clearance port
congenital hypoplasia of hypophysis
connection screw
constructive program verification
cooling area
coronal lines
crop fair and refit
CST
dark-field imaging
direct search method
dry heat loss
dual tandem articulated type reduction gear
electric engine oil
emergency governor
fee scale
floodproof
free air delivery
free network address
gamma-glutamyltransferase
gannisters
gay bashed
genus Haliaeetus
good colo(u)r
half round smooth file
heavy fraction
hemiopic pupillary reaction
hit-piece
housing problem
hydraulic engineering
incongruitous
interest graph
kantharos
kishosha
Kraut Rock
laser Q-switching mechanism
mccarrick
methane determination
microcoenosis
modleski
mother instinct
movable-inclined-tube micro-manometer
Mussaenda simpliciloba
myasthenic syndrome
Mānikhāt
nifuratrone
nitrate paint
officeholding
orifice metering coefficient
pantages
partial shipment
PMRI
portee
potempa
pourprise
product evolution
pulse compression technology
Quicama
relieving amount
renewal of treaties
ribaud
rocksteadies
rub shoulders with sb
schatchanim
Schlomilch series
selenium contamination
steel stair
subtilopeptidase
superstructurals
through the day
TinyURL
toluene index
triple roller
two hundred and two
uncalculable
under-Secretary of State
underwater launching
uni-q
Universal Unitarian
urban jurisprudence
Vasylkiv
WinMark
winning-post