[感光测] 感光化学刻图

小学四年级英语(人教新课标版)下册 Unit 1 Our Sc

computer(计算机) board(写字板) fan(风扇) light(灯) this(这;这个)is(是)my(我的) that(那;那个) your(你的) teachers desk(讲台)picture(图画;照片) wall(墙壁) floor(地板) yes(是;是的) it(它)

发表于:2018-12-04 / 阅读(118) / 评论(0)

人教新课标小学四年级英语

太阳科普第5期

Today that sounds ridiculous. 今日这种说法听来荒唐 But two hundred years ago it didn't seem so unlikely. 但是两百年前还颇言之成理 It was widely believed that 当时一般人认为 the Earth was only a few thousand years old. 地球

发表于:2018-12-07 / 阅读(168) / 评论(0)

太阳科普

VOA标准英语2012--Gene Therapy Halts Vision Loss in Dogs

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(126) / 评论(0)

VOA标准英语2012年(二月)

美国科学60秒 SSS 2015-01-06

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(132) / 评论(0)

2015年Scientific American(一)月

美国英语听力80篇2 Lesson36

[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(121) / 评论(0)

美国英语听力80篇

英语听力文摘 English Digest 529、夜视为何看不见颜色？

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(144) / 评论(0)

英语听力文摘 English Digest

Scientists: Ozone-Eating Chemical Mysteriously Rising

Scientists have found that levels of a now-banned chemical are rising again in Earths atmosphere. The chemical is called CFC-11. It is the second most common kind of CFC, short for chlorofluorocarbon. Chlorofluorocarbons were once widely used in many

发表于:2019-01-03 / 阅读(174) / 评论(0)

2018年VOA慢速英语(五)月

VOA标准英语2008年-US Chemical Giant Faces Hurdles in India Due to

By Steve Herman Bhopal, India 08 January 2008 Dow Chemical, the world's second-largest chemical manufacturer, is facing difficulties trying to expand in India. The company is haunted by the 1984 leak of methyl isocyanate, one of the most lethal chemi

发表于:2019-01-07 / 阅读(197) / 评论(0)

VOA标准英语2008年（一月）

万花筒 2010-03-14&03-15 贴膏药治皮肤癌

There are no scare poles ,no pain killing injections needed for this skin cancer treatment ,a harmless cream and a special plaster are all it takes. Inside the device,a tiny LED light activates a drug in the cream to create a toxic chemical that kill

发表于:2019-01-07 / 阅读(119) / 评论(0)

万花筒2010年

英语听力：自然百科已知的宇宙：外星生命 Alien_Contact-5

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(124) / 评论(0)

自然百科2010年

【英语时差8,16】猫咪和颜色

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(155) / 评论(0)

英语时差8，16

英文歌曲:Chemical Rush

Chemical Rush Brian Mcfadden Chess game, Im the pawn Youre the queen, Im the throne Take me out tonight Make your move, pick and choose Anywhere Im gonna lose Give it to me black or white Feel it coming on Like a pulse in my head Sending chills right

发表于:2019-02-07 / 阅读(146) / 评论(0)

好听的英文歌曲

英语歌曲：音乐+爱情的化学反应 Chemical Rush

音乐+爱情的化学反应：Chemical Rush 还是Brian Mcfadden小编对BB的新专辑实在不能不执着啊~这首依旧是混杂了电子风的Chemical Rush，稍微有些中规中矩，和专辑中电音味道更重的歌比起来，有些收敛

发表于:2019-02-11 / 阅读(130) / 评论(0)

经典英文歌曲

英语歌曲:音乐+爱情的化学反应-Chemical Rush

音乐+爱情的化学反应：Chemical Rush Artist：Brian Mcfadden Song：Chemical Rush Chess game, Im the pawn Youre the queen, Im the throne Take me out tonight Make your move, pick and choose Anywhere Im gonna lose Give it to me black or white F

发表于:2019-02-17 / 阅读(157) / 评论(0)

流行英文歌曲

英语摇滚:音乐+爱情的化学反应：Chemical Rush

发表于:2019-02-18 / 阅读(167) / 评论(0)

英文摇滚歌曲

英语听力文摘 English Digest 186、猫与色彩

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(130) / 评论(0)

英语听力文摘 English Digest

摇滚歌曲：Chemical Rush

Chess game, Im the pawn Youre the queen, Im the throne Take me out tonight Make your move, pick and choose Anywhere Im gonna lose Give it to me black or white Feel it coming on Like a pulse in my head Sending chills right through my bones Keep coming

发表于:2019-03-02 / 阅读(184) / 评论(0)

英文摇滚歌曲

TED演讲：细菌是怎样交流的(3)

What was actually interesting to us was not that the bacteria made light, but when the bacteria made light. 事实上，我们感兴趣的部分并不是细菌会不会发光，而是细菌何时发光。 What we noticed is when the bacteria were alo

发表于:2019-03-04 / 阅读(197) / 评论(0)

TED演讲教育篇

英语听力文摘 English Digest 267、火是什么？

What Is Fire? 火是物质燃烧过程中散发出光和热的现象，是能量释放的一种方式。火焰分为焰心、中焰和外焰，温度由内向外依次增高。燃烧过程必须有可燃物、燃点温度、氧化剂三项并存，缺一

发表于:2019-03-09 / 阅读(316) / 评论(0)

英语听力文摘 English Digest

英文流行歌曲：Ash--shining light

我的世界变的美丽，闪耀着五彩的光芒，因为shining light。Ash的一首梦幻流行曲风的单曲。听着这样的音乐一个人穿行于城市当中，昂着头，平静的感受生命中的喜悦和伤悲。。。 Annie Lennox -

发表于:2019-03-11 / 阅读(211) / 评论(0)

流行英文歌曲

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