骨骸石灰岩;骨粒石灰岩;骸骨石灰岩

08 THE STORIES OF ROME

The Pantheon here was built by the Emperor Haydrian in the 2nd century AD and its 1)dome is still one of the largest 2)concrete domes in the world. It's 50 yards across and its concrete is up to 20 fe

发表于:2018-11-28 / 阅读(451) / 评论(0)

疯狂英语2001年

决胜六级听力必备 mode21

Section A Short Conversation [00:02.98]1. M: How is your classmate Lucy,Mary. [00:07.08]The last time I came to see you. [00:09.01]you were about to take her to the hospital. [00:11.44]W: She came home last week [00:13.40]The operation was very succe

发表于:2018-12-01 / 阅读(338) / 评论(0)

决胜六级英语听力

VOA双语新闻 - 同时做多样运动有助于控制糖尿病

A new study indicates that combining aerobics and weight lifting can help people with Type 2 diabetes keep their blood sugar levels under control. Most people probably think of diabetes control in terms of diet or insulin, but Dr. Tim Church says exe

发表于:2018-12-02 / 阅读(197) / 评论(0)

VOA双语新闻 2010年12月

【英语时差8,16】心脏为什么不会疲倦？

Your heart muscle does something truly incredibleit expands and contracts, non-stop, every moment of every day of your entire life. By comparison, if you tried to squeeze and release the muscles in your hand, they would grow fatigued and need to rest

发表于:2018-12-03 / 阅读(167) / 评论(0)

英语时差8，16

英语访谈对话 534 Cork

Todd: Eucharia, can you talk about where you are from? Eucharia: Im from Ireland and Im from the second biggest city in Ireland which is Cork. Now the name Cork doesnt come from wine bottle cork, it comes from the irish word kirkig which is marsh so

发表于:2019-01-02 / 阅读(178) / 评论(0)

英语访谈对话

电影歌曲:变形金刚2插曲

变形金刚2插曲变形金刚2一度成为众人关注的焦点。前段时间，公司带领大家一起观看了此片，场面确实很宏大，视觉效果确实很刺激，故事情节也很感人也很振奋人。听听这首变形金刚2的插

发表于:2019-01-03 / 阅读(145) / 评论(0)

电影歌曲

SSS 2010-06-01

This is Scientific America's 60-Second Science. I am Karen Hopkin. Thisll just take a minute. Mmm, sticky rice. Its a glutinous side dish thats perfect for practicing your chopstick skills, for sopping up curry sauce and, amazingly, for building real

发表于:2019-01-08 / 阅读(230) / 评论(0)

Scientific American(六)月

VOA慢速英语 2008 1006b

VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week on our program, we explore a UNESCO World Heritage Site in the American Southwest, near the city of Carlsbad, New Mexico. Carl

发表于:2019-01-11 / 阅读(183) / 评论(0)

VOA慢速英语2008（十）月

VOA慢速英语2009年-THIS IS AMERICA - Another World, Under

发表于:2019-01-11 / 阅读(386) / 评论(0)

VOA慢速英语2009年（十二）月

BBC榜单：世界最伟大10家博物馆

Musee dOrsay, France 奥赛美术馆，法国 Standing on the Left Bank of the Seine, this venerable Paris museum was opened in 1986 in a former Beaux-Arts railway station and hotel. The layout uses its previous incarnation to full effect galleries c

发表于:2019-01-17 / 阅读(208) / 评论(0)

阅读空间

TED演讲:货币的未来(1)

I want to tell you about the future of money. 我今天的话题是关于货币的未来。 Let's start with a story about this culture that lived in Micronesia in the early 1900s, called the Yap. 我们先从一个20世纪早期的故事开始，这个

发表于:2019-01-18 / 阅读(158) / 评论(0)

TED演讲国际问题篇

原版英语对话1000个:535 Cork

发表于:2019-01-26 / 阅读(186) / 评论(0)

原版英语对话1000个

研究:酗酒会导致肌肉无力

WASHINGTON, April 21 (Xinhua) -- U.S. researchers said Monday that muscle weakness from long-term alcoholism may be due to an inability of mitochondria, the powerhouses of cells, to self- repair. In research conducted with rats, the researchers found

发表于:2019-02-05 / 阅读(232) / 评论(0)

英语新闻

【英语语言学习】争议

RACHEL MARTIN, HOST: Three hundred years ago, the rock of Gibraltar, rising dramatically out of the Spanish coastline, became a British territory. This has never sat well with Spain. And now recent disputes over the territorial waters around Gibralta

发表于:2019-02-16 / 阅读(152) / 评论(0)

英语语言学习

英语听力文摘 English Digest 374、神奇的蟹

Amazing Crab s D: What's the difference between a hard- shell ed blue crab and a soft- shell ed blue crab ? Y: Is this a trick question? D: I'll give you a hent. It has to do with the crab s skeletal system. Y: Skeletal system? You got me there, I kn

发表于:2019-02-16 / 阅读(219) / 评论(0)

英语听力文摘 English Digest

听播客学英语 29 是马还是狗

A long time ago, I made a podcast about graffiti, and the graffiti artist called Banksy. Graffiti means pictures or writing painted illegally on a wall or a building, or the side of a train or a bus. Many people think that graffiti are unsightly. We

发表于:2019-02-19 / 阅读(136) / 评论(0)

听播客学英语

万物简史第287期:砰!(22)

Chicxulub is buried under two to three kilometers of limestone and mostly offshore, 奇克休留布大坑在两三公里的灰岩深处，而且大部分在近海。 which makes it difficult to study, Anderson went on, while Manson is really quite ac

发表于:2019-02-25 / 阅读(150) / 评论(0)

万物简史

万物简史第275期:砰!(10)

While Gene Shoemaker was trying to get people galvanized about the potential dangers of the inner solar system, 正当尤金苏梅克试图提醒人们注意太阳系内部的潜在危险的时候， another developmentwholly unrelated on the face of

发表于:2019-02-25 / 阅读(148) / 评论(0)

万物简史

万物简史第267期:砰!(2)

The trauma to Manson's geology had come not from within the Earth, but from at least 100 million miles beyond. Sometime in the very ancient past, when Manson stood on the edge of a shallow sea, a rock about a mile and a half across, weighing ten bill

发表于:2019-02-25 / 阅读(161) / 评论(0)

万物简史

科学家成功将二氧化碳变成“石头”

The researchers report an experiment in Iceland where they have pumped CO2 and water underground into volcanic rock. 研究人员发表了一项在冰岛的实验：把二氧化碳和水注入地下变成火山石。 Reactions with the minerals in th

发表于:2019-02-26 / 阅读(154) / 评论(0)

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auxiliary floating drydock big