Solar Home Tour Promotes Clean Energy Alternative 家用太阳能促使净能的使用 Last year solar energy surpassed wind power as the fastest growing alternative energy source in the world. While

发表于:2018-12-08 / 阅读(53) / 评论(0) 分类 VOA2005(下)--环境科学探索

The clues are adding up to give a picture of a distant Martian past, when the planet had a thick atmosphere that was warm enough for water to stream on the surface. But now the waters gone, and the atmosphere is so thin that any water would boil away

发表于:2019-01-08 / 阅读(82) / 评论(0) 分类 Scientific American(十)月

Imagine a world where sunlight can be captured to produce electricity anywhere, on any surface. The makers of thin-film flexible solar cells imagine that world too. But a big problem has been the amount of silicon needed to harvest a little sunshine.

发表于:2019-01-08 / 阅读(99) / 评论(0) 分类 Scientific American(二)月

The Solar System 太阳系 The solar system consists of the sun, eight planets and billions of small planets. 太阳系包括太阳、八大行星和数十亿颗小行星。 These eight planets and small planets orbit around the sun. 八大行星和小

发表于:2019-01-10 / 阅读(73) / 评论(0) 分类 与美国小学生一起学英文第6册

Juno Spacecraft Enters Jupiter Orbit 朱诺号探测器进入木星轨道 American scientists cheered loudly as their spacecraft, called Juno, entered Jupiters orbit Monday night. Juno, welcome to Jupiter! The scientists are with the U.S. space agenc

发表于:2019-01-12 / 阅读(49) / 评论(0) 分类 2016年VOA慢速英语(七)月

AS IT IS 2016-03-09 Solar Eclipse Starts Wednesday, Ends Tuesday 星期三开始星期二结束的日食 This is Whats Trending Today. A solar eclipse will pass over Earth on Wednesday, starting in Southeast Asia March 9, and ending in the western Pa

发表于:2019-01-12 / 阅读(180) / 评论(0) 分类 2016年VOA慢速英语(三)月

How to Weather a Solar Storm 如何抵御太阳风暴发表 Powerful winds from the sun affect the earths atmosphere. These solar winds cause the beautiful aurora borealis, also known as the northern lights. These winds are also responsible for many

发表于:2019-01-12 / 阅读(87) / 评论(0) 分类 2014年VOA慢速英语(十)月

太阳能创新产品为肯尼亚居民提供廉价清洁能源 Gilbert Ondieki is installing a solar panel from M-Kopa on the roof of his shop in Kangemi, on the outskirts of Nairobi. 吉尔伯特奥德克正在内罗毕康济米郊区自己商店的屋

发表于:2019-01-14 / 阅读(55) / 评论(0) 分类 VOA标准英语2016年(二月)

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(65) / 评论(0) 分类 经济学人科技系列

Of course we have no prospect of such a journey. A trip of 240,000 miles to the Moon still represents a very big undertaking for us. A manned mission to Mars, called for by the first President Bush in a moment of passing giddiness, was quietly droppe

发表于:2019-01-29 / 阅读(55) / 评论(0) 分类 万物简史

This was actually something of a blow to Pluto's status as a planet, which had never been terribly robust anyway. Since previously the space occupied by the moon and the space occupied by Pluto were thought to be one and the same, it meant that Pluto

发表于:2019-01-29 / 阅读(62) / 评论(0) 分类 万物简史

中国光伏企业在美遭双反调查 BEIJING, Jan. 8 (Xinhuanet) -- Chinese solar companies will be entirely blocked from the United States market if that nation's government imposes new duties on solar cell products made in the Chinese mainland a

发表于:2019-02-03 / 阅读(49) / 评论(0) 分类 英语新闻

LOS ANGELES, May 25 (Xinhua) -- NASA project managers bade farewell to the Mars rover Spirit on Wednesday after sending a final set of commands to the stranded vehicle. This marks the completion of one of the most successful missions of interplanetar

发表于:2019-02-03 / 阅读(52) / 评论(0) 分类 英语新闻

The U.S. space probe MESSENGER is poised to enter orbit around Mercury(水银) early Friday, Universal time, capping a nearly seven-year journey to the solar systems innermost planet. Scientists with the U.S. space agency, NASA, hope the orbiting

发表于:2019-02-05 / 阅读(73) / 评论(0) 分类 英语新闻

Researchers are now pretty certain there's a ninth planet in the solar system. 研究人员如今相当确定,太阳系中存在着第九颗行星。 Konstantin Batygin and Mike Brown, two CalTech scientists, say the new planet is about 10 times th

发表于:2019-02-09 / 阅读(64) / 评论(0) 分类 阅读空间

Have you heard the news? We're in a clean energy revolution. And where I live in Berkeley, California, 你们看新闻了吗?我们正在进行清洁能源革命。我住在加利福尼亚州伯克利市, it seems like every day I see a new roof

发表于:2019-02-13 / 阅读(75) / 评论(0) 分类 TED演讲国际问题篇

Like Mercury, the earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads. Fortunately, the earth is protected from this radiation by

发表于:2019-02-15 / 阅读(190) / 评论(0) 分类 自然百科2012年

From VOA Learning English, this is As It Is. Welcome back. Im Caty Weaver. On the show today, we look into the future of space exploration. The American space agency NASA has announced plans for a new effort to study the sun. And, NASA scientists are

发表于:2019-02-16 / 阅读(61) / 评论(0) 分类 英语语言学习

Solar farms 太阳能发电厂 Blue steel 蓝色的钢铁海洋 British fields adopt a new crop 英国大地上种起了新庄稼 Let's take it to Spain 我们把它搬去西班牙吧 TWO nuclear bombs are among many curious machines which the Scienc

发表于:2019-02-24 / 阅读(108) / 评论(0) 分类 经济学人商业系列

干嘛 What? 你刚说你要去散步的 You said you were going for a walk. 我又没说要去外面散步 I didn't say outside. 然后呢 你就打算来来回回地跑楼梯吗 So what,you're just gonna walk up and down the stairs? 不会 当然不会

发表于:2019-03-16 / 阅读(214) / 评论(0) 分类 生活大爆炸第三季