【听英文对话做选择】日食

On December 25, 2000, many people across North America received a rare Christmas treat when the moon passed in front of the sun resulting in a partial solar eclipse. Solar eclipses occur when the moon passes between the Earth and the sun, and the moo

公务员口语24

Fire Claim Investigation Dialogue 1 -Fire department. -I'd like to speak to someone about a fire I had last night on my farm. -Do you have a policy with F.P.A? -I do.That's why I'm phoning you now. -All right,sir.could you give me the number of the

英语1000高频词汇(超级):第17课

[00:03.00]hold [00:03.41]hold n.把握, 把持力, 柄, 控制, 监禁, 掌握, 货舱 vt.拿着, 保存, 支持, 占据, 持有, 拥有 vi.支持, 保持, 有效 n.控制, 保留 [00:06.29]holiday [00:06.70]holiday n.假日, 节日, 假期 [00:09.38]home [00:09.78]home n.家, 住宅, 家乡, 本

英语1000高频词汇(初级):第22课

英语基础--《英语1000高频词汇》(英语学习必须熟悉的1000词汇) 这是英语词汇中最基础的、使用频率最高的，约1000个词汇，不管是中学毕业还是大学毕业，这1000个单词都应该非常熟悉，因为这些单词真的太基础了，使用频率非常高。 如果听过《朗文词典》能用3000以内的单词

英语1000高频词汇(中级):第22课

[00:03.61]I pron.我 n.字母I, [化]碘元素, 罗马数字1 [00:12.52]ice [00:13.12]ice n.冰冻食品 vt.冰冻, 覆以冰 vi.结冰 abbr.[军] Intenal Combustion Engine, 内燃机 [00:23.94]ice cream [00:24.54]ice cream n.冰淇淋 [00:30.65]idea [00:31.25]idea n.想法, 念头,

历史英雄名人演讲 第98期:汽车的未来(1)

10. The Future of Cars 10. 汽车的未来 The fact is, when we do our market research around the world, we see that there's nearly a universal aspiration on the part of people to own an automobile. And 750 million people in the world today own a car

英语听力文摘 English Digest 587、气泵上的辛烷值是什么意思？

What Do Octane Numbers Mean? At the gas pump, you have a choice of octane numbers. 87? 93? Whats the difference? To explain octane numbers, lets take an imaginative leap into the internal combustion engine of a car. Inside the cylinders are combustio

SSS 2009-03-16

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. On March 11th, Interior Secretary Ken Salazar called for a moonshot for energy independence. Hes set up a task force to look into the large-scale product

SSS 2009-05-13

This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. Hybrid cars are good for the environment, but scientists say that they might be bad for pedestrians. Because hybrids are so quiet that can be hard for wa

SSS 2010-07-06

Die-hard advocates of alternate energy might fantasize about cars that could one day run on water. But scientists in India have gone a step further. Theyve mathematically modeled an engine that should allow a motorcycle to run on aircompressed air, t

Ring of Fire Eclipse Passes Over Africa

AS IT IS 2016-09-02 Ring of Fire Eclipse Passes Over Africa People in parts of Africa witnessed a ring of fire in the sky Thursday, created by the moon passing between the Earth and the sun. The solar event is called an annular eclipse. A total solar

经济学人252:北极气候变化 仓惶撤退

Science and technology 科技报道 Climate change in the Arctic 北极气候变化 Beating a retreat 仓惶撤退 Arctic sea ice is melting far faster than climate models predict. Why? 北极海冰正在以比气候模型所预测的快得多的速度

Shelter-in-place ordered after fire at NASA

HOUSTON, July 25 (Xinhua) -- A shelter-in-place was ordered after a battery caught fire during a testing at NASA's Johnson Space Center Monday morning. A battery was being tested inside a containment system when it got overheated and caught fire at a

VOA标准英语2010年-Total Solar Eclipse Over Southern Hemi

An annular solar eclipse is seen formed over the sky of Burma's ancient historic city of Bagan, 15 Jan 2010 Holly Gilbert, an astrophysicist at NASA, explains the science behind the spectacle of the sun's disappearance. So during a total solar eclips

水泥英文单词

水泥英文单词 矿渣水泥slag cement 硅酸盐水泥portland cement 主导产品leading product 年产量annual output 基准reference 体系system 完全燃烧complete combustion 不完全燃烧incomplete combustion 机械不完全燃烧mechanical incomplete combustion 化学不完全燃烧

科学家将污染物变成打印机墨水

Anirudh Sharma doesn't just want to pull harmful carbon from the air. He wants to offer a cheaper alternative to the exorbitant costs of ordinary printer ink. 阿尼鲁德夏尔马不仅想除掉空气中的有害炭物质，还希望创造一种更便

音乐咖啡厅:On a bad day-Kasey Chambers

On A Bad Day by：Kasey Chambers Everytime my tears Have ever fallen I keep 'em in my pocket For a rainy day So when it's pouring I take them outside I let the rain start washin' My tears away But on a bad day When hearts are breaking There's not eno

你所爱之人的痛苦

I do not know the suffering of a person you love but love a person can love to the original as deaf as dumb. He is one of him, no matter what, you are accepted, do not want to do anything a little bit of modification. And the extraordinary in his eye

安赛乐米塔尔将发布新型高强度汽车用钢

ArcelorMittal will launch a new high-strength automotive steel later this year, throwing down the gauntlet to its rivals in the race to make cars lighter. 安赛乐米塔尔(ArcelorMittal)将于今年晚些时候发布一款新型高强度汽车用钢，

生活大爆炸第三季第二十一集_2

这是你耶 Look,it's you. 非常感谢你们让我住在这里 Thank you so much for opening up your home to me. 谁愿意住宾馆啊 Well,who wants to stay in a hotel? 窗户又打不开 诡异的卡片式钥匙 Windows that don't open,those craz