感光种子

[00:00.00] Unit 6 Plants [00:04.60]A The chlidren are in a science lesson. [00:10.95]Look,listen and say. [00:15.31]1 We want to grow some tomatoes. [00:21.66]What does our plant need? [00:25.50]It needs a small pot of soil. [00:30.22]It needs a lot

发表于:2018-12-13 / 阅读(144) / 评论(0) 分类 新路径小学英语三年级上册(一起)

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(152) / 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(211) / 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(162) / 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(149) / 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(177) / 评论(0) 分类 英语听力文摘 English Digest

051 The Flower Greet the Spring It was a very cold winter. The seeds of the flowers were crouching in a room under the ground. The room was comfortably warm. The seeds were all sleeping peacefully. One day, it rained moistly. The raindrops sank into

发表于:2018-12-31 / 阅读(316) / 评论(0) 分类 100个儿童英语小故事

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(202) / 评论(0) 分类 60秒科学

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(207) / 评论(0) 分类 英语杂谈

听力薄弱的考生是很难在托福考试中得到高分的。首先考生对自己的词汇量应该有个基本的了解。考生可以翻看一下TPO练习的问题部分,如果连审题都有困难,那么建议先别急着考试,好好从

发表于:2019-01-17 / 阅读(184) / 评论(0) 分类 托福英语

在托福考试中,听力是一个很重要的环节,而在听力备考的过程中,词汇又是非常重要的。 在托福听力的备考过程中,我们细细翻一下TPO资料,如果发现连审题都有着困难,那么,这时候就建

发表于:2019-01-17 / 阅读(204) / 评论(0) 分类 托福英语

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(227) / 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(151) / 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(183) / 评论(0) 分类 英语时差8,16

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(171) / 评论(0) 分类 英语每日一词

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(218) / 评论(0) 分类 辛沛沛NO-BOOK 辛沛沛傻瓜机口语极短句

托福考试逻辑推测词 不少考生做听力时会碰到一个问题,即无法做到对文章的整体理解,常常把句子、段落割裂开来听,不管语句之间意义的联系。有时顺着一个句子的逻辑方向去想,有些生

发表于:2019-02-18 / 阅读(123) / 评论(0) 分类 托福英语

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(168) / 评论(0) 分类 英语听力文摘 English Digest

歌词: Tree don't care what a little bird sings We go down with the due in the morning light The tree don't know what the little bird brings We go down with the due in the morning And we breathe, in it There is no need to forgive Breathe, in it, t

发表于:2019-03-02 / 阅读(188) / 评论(0) 分类 英文最新流行歌曲

很多考生托福听力薄弱,主要原因在于托福词汇量不够。 听力薄弱的考生是很难在托福考试中得到高分的。可能很多考生对托福考试的整体印象是考试内容比较专业,有大量的专有名词,一拿

发表于:2019-03-04 / 阅读(237) / 评论(0) 分类 托福英语
学英语单词
actinic focus
after most
Alcyone
anti-submarine detector
antiroll bar
antislaughter
arena ballet
arteria acetabul
auntdom
bath brick
be in awe of
be possessed of
binding cost
Bithionoionol
black oil conversion
black square nut
carrier supperssion
chemoprophylactic drug
Chiang Kai-shek
Chilembwe
Chimbangombe
chloramphenicol pantothenate
chronic gastroenteritis
claims expenses
clambered
compassionem
consumer ethnocentrism
contemporate
contravariant system
current comparison system
dapping
Desowen
die box mold
direct product factor
directory security
disquieted
distavals
dollar merchandise plan
double-aspect theory
echeverra
ectoplasmic organelle
ephedradine
export refinery
gelatinized
glanderss
gpoes
gratuities
hilts
Hydrocortone-TBA
ice boats
impending plastic flow
indicator trip unit
infrared radiation from sea surface
insertion of muscle
interim credit
intrafaradization
Italese
judgement-hall
kalymnos
kiana
lime-sandstone
lindeborg
list of property
lumberdar
mankewitz
marquisal
marthe
maxillodental
mechanical damping ring
mobil construction battalion
montval
mountain man
myomycin
Mystic Jewel
nephroptoses
newcomes
Olympus gas turbine
overvoltage device
periods of time
polygon convex decomposition
possum oak
primary cholesteatoma of mastoid
public security officer
recollected
record current
screwing pump
sheetrocked
shepherdsville
shortest sighting distance
single-bevel
stinkin'
subscripted variable
sugyner
teachless
telco building
tissue committe
tuftings
unconditional branch instruction
Virchow-Robin spaces
water curtain system
water speedwell
Windows Imaging Format