拉斑玄武岩浆

新东方背诵文选 L36.Plate Tectonics and Sea-floor Spreading

The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere(

发表于:2018-12-01 / 阅读(187) / 评论(0)

新东方背诵文选

趣味青春英语第99期:Night owl

Idiom: Night owl 夜猫子，深夜不睡的人 Hit the book: Supervolcano Deadliest Measure measurement take safety measure lava magma yellowstone eruption ash damage

发表于:2018-12-27 / 阅读(88) / 评论(0)

趣味青春英语

趣味青春英语第98期:Nick of time

Idiom: nick of time 关键时刻出现，千钧一发，恰好时刻 Hit the book: Volcano Volcanologist Erupt Core Liquid Mantle Magma Crust Plate

发表于:2018-12-27 / 阅读(101) / 评论(0)

趣味青春英语

英语听力：2012-01-20 从南极到北极 From Pole To Pole—2

The penguins stay when all other creatures have fled because each guards a treasurea single egg rested on the top of its feet and kept warm beneath the downy bulge of its stomach. There is no food and no water for them. And they will not see the sun

发表于:2018-12-27 / 阅读(91) / 评论(0)

探索与发现2012年

考研背诵50篇——36.Plate Tectonics and Sea-floor Spreading

发表于:2018-12-30 / 阅读(140) / 评论(0)

考研背诵50篇

2008-11-01 猛犸山

Every day people come to soak in Hot Creek, a place to rest, created by geologic unrest. Sudden geyser eruptions, driven by heat from magma below the Earth surface, can change water temperatures so fast that going into the water is not recommended.

发表于:2018-12-30 / 阅读(104) / 评论(0)

国家地理2008年

英语听力文摘 English Digest 600、科学家如何预测火山喷发？

its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

发表于:2018-12-31 / 阅读(72) / 评论(0)

英语听力文摘 English Digest

VOA慢速英语2018 夏威夷或有重大火山喷发

Scientists: Major Volcanic Burst Possible in Hawaii Hawaiis Kilauea volcano could soon send huge rocks and ash shooting out of its summit crater. The last time this happened was almost 100 years ago. 夏威夷基拉韦厄火山很快就有巨石和火山

发表于:2019-01-03 / 阅读(91) / 评论(0)

2018年VOA慢速英语(五)月

与美国小学生一起学英文第8册第6期:岩浆

Magmas 岩浆 Have you heard about liquid rock? 你听说过液态岩石吗？ It might sound funny to you. 这听起来可能很好笑。 How can a rock be liquid? While it can be. 岩石怎么可能是液体呢？但有时它还真是。 If the tem

发表于:2019-01-10 / 阅读(93) / 评论(0)

与美国小学生一起学英文第8册

美国国家公共电台 NPR Days, Weeks, Years? Scientists Say Hawaii Volcano Eruption Has No End In Sight

DAVID GREENE, HOST: The eruption at Hawaii's Kilauea volcano is continuing. The lava has now destroyed more than two dozen homes. Scientists have been tracking this event since it started, and NPR's Merrit Kennedy has more on what they've learned. ME

发表于:2019-01-16 / 阅读(92) / 评论(0)

2018年NPR美国国家公共电台5月

英语听力：自然百科猛犸山

发表于:2019-01-22 / 阅读(86) / 评论(0)

自然百科2008年

英语听力：2012-01-22 从南极到北极 From Pole To Pole—3

But they are hungry and eager to reach their mother whos delayed feeding them on this special day. Now she lures them with the promise of milk, the only food the cubs have known since they were born, deaf and blind beneath the snow some two months ag

发表于:2019-01-23 / 阅读(105) / 评论(0)

探索与发现2012年

英语听力：2012-01-25 从南极到北极 From Pole To Pole—4

Day 10. And the mother has let her cubs a mile from the den. Its time to put them to the test. Theyve grown enormously in confidence, but they dont have their mothers sense of urgency. At last it seems that they are ready for their journey. And they

发表于:2019-01-23 / 阅读(93) / 评论(0)

探索与发现2012年

英语听力：2012-01-29 从南极到北极 From Pole To Pole—6

Midsummer on the tundra and the sun does not set. At these altitudes, the suns rays are glancing and not enough of their energy reaches the ground to enable trees to grow. Youll need to travel five hundred miles south from here before that is possibl

发表于:2019-01-23 / 阅读(98) / 评论(0)

探索与发现2012年

英语听力：2012-02-01 从南极到北极 From Pole To Pole—7

As we travel south, so the suns influence grows stronger. And at 50 degrees of latitude, a radical transformation begins. Summers here are long enough for broadleaf trees to replace conifers. Broadleaves are easier to eat and digest, so now animals c

发表于:2019-01-23 / 阅读(111) / 评论(0)

探索与发现2012年

英语听力：2012-02-05 从南极到北极 From Pole To Pole—9

The advance of the seasons brings constant change. As the suns influence diminishes in the north, so the deciduous forests of America begin to shut down, losing their leaves in preparation for the dark, cold months ahead. One season hands over to ano

发表于:2019-01-23 / 阅读(91) / 评论(0)

探索与发现2012年

英语听力：2012-02-03 从南极到北极 From Pole To Pole—8

Deer are frequent casulties of the harsh winter. And these leopards are not above scavenging from a corpse. African leopards could never survive here. But the Russian cats have thick fur to shied them from the cold. There are only 40 Amur leopards le

发表于:2019-01-23 / 阅读(118) / 评论(0)

探索与发现2012年

英语听力—环球英语 1203 The Language of Volcanoes

Voice 1 Hello. Im Ruby Jones Voice 2 And Im Marina Santee. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 Suddenly you know th

发表于:2019-02-14 / 阅读(61) / 评论(0)

环球英语 Spotlight

托福阅读背景材料之火山岩

托福阅读的关键是在于多看多练，为了帮助广大考生更好的复习，小编为大家整理提供托福阅读背景知识，以供各位考生复习参考，生活中有很多事情需要大家细心观察和发现，阅读文章不仅

发表于:2019-02-21 / 阅读(76) / 评论(0)

托福英语

英语听力文摘 English Digest 288、测量火山温度

Taking a Volcanos Temperature 火山喷发（volcanic eruption）是一种奇特的地质现象，是地壳运动的一种表现形式，也是地球内部热能在地表的一种最强烈的显示。是岩浆等喷出物在短时间内从火山口向地

发表于:2019-02-24 / 阅读(68) / 评论(0)

英语听力文摘 English Digest

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Askania auxilliary piston

automatic distributor