音标：[.sʌb'strætәsfiә] ；

n. 亚同温层

英语听力：探索发现科学新发现：我们的大气层-24

This is a genuine iron meteorite, this is believed to have once been part of the core of a long dead planet or asteroid, and this was found right here in this strewn field, this remarkable little shapes, indentations on the surface are called thumbpr

发表于:2018-12-03 / 阅读(469) / 评论(0)

探索与发现2014年

VOA慢速英语 Glider Plane to Soar Stratosphere for Data

AS IT IS 2015-09-30 Glider Plane to Soar Stratosphere for Data Gliders are light aircraft that fly with no engine. They are pulled by a powered plane into the sky and set free to fly on air currents. They soar on wind currents called mountain waves.

发表于:2018-12-08 / 阅读(499) / 评论(0)

2015年VOA慢速英语(九)月

Project Aims to Study Stratosphere Via Aerospace Firm's Glider

Project Aims to Study Stratosphere Via Aerospace Firm's Glider A glider designed by Airbus Group successfully completed its maiden flight Wednesday ahead of next years attempt to reach the edge of the space. The ultimate goal is to study the stratosp

发表于:2018-12-08 / 阅读(409) / 评论(0)

VOA标准英语2015年(九月)

Business Channel 2007-01-14&16

What started as a small business in a dorm room is now a word in the English language. And Google has no plans to slow down. In October, the company paid $1.65 billon to acquire YouTube. In December, Google agreed to a partnership with NASA to bring

发表于:2019-01-07 / 阅读(384) / 评论(0)

商业报道2007年

Study: Loss of Ozone Slows

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(714) / 评论(0)

VOA2003（下）-环境与健康

经济学人40:气候和太阳圈在冬日的阳光中发冷

Science and Technolgy 科技 Climate and the solar cycle 气候和太阳圈 Chilling out in the winter sun 在冬日的阳光中发冷 Stratospheric changes can lead to nasty cold snaps 平流层的变化能引发讨人厌的寒流 THOSE unconvinced-

发表于:2019-01-26 / 阅读(445) / 评论(0)

经济学人科技系列

英语歌曲:Second Chance

Second Chance Shinedown My eyes are open wide By the way I made it through the day I watch the world outside By the way I'm leaving out today I just saw Haley's Comet, she waved Said, Why are you always running in place? Even the man in the moon disa

发表于:2019-02-03 / 阅读(480) / 评论(0)

好听的英文歌曲

万物简史第215期:把铅撵出去(4)

Buoyed by the success of leaded gasoline, Midgley now turned to another technological problem of the age. Refrigerators in the 1920s were often appallingly risky because they used dangerous gases that sometimes leaked. One leak from a refrigerator at

发表于:2019-02-17 / 阅读(474) / 评论(0)

万物简史

剑11阅读生词文章注解--passage3

剑桥雅思11发售后，很多同学都争相购买，老师们也是加班加点看新题，当下命题趋势变幻莫测，全靠剑桥系列指引方向。今天方振华老师为同学们带来剑11阅读生词文章注解。 stride 进步 ste

发表于:2019-02-19 / 阅读(504) / 评论(0)

雅思英语

经济学人259:平流层的变化能引发讨人厌的寒流

Climate and the solar cycle 气候和太阳圈 Chilling out in the winter sun 在冬日的阳光中发冷 Stratospheric changes can lead to nasty cold snaps 平流层的变化能引发讨人厌的寒流 THOSE unconvincedand those seeking to unconvinc

发表于:2019-02-24 / 阅读(529) / 评论(0)

经济学人综合

万物简史第361期:进入对流层(2)

From ground level to its highest point, the troposphere (or turning sphere) 从地面到最高点，对流层（亦称对流圈） is about ten miles thick at the equator and no more than six or seven miles high in the temperate latitudes where most

发表于:2019-02-25 / 阅读(462) / 评论(0)

万物简史

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学英语单词

asterorhombus intermedius