标签：rotation 相关文章

彭蒙惠英语：The Ultimate Pitching Machine

The Ultimate Pitching Machine B y Tom McNichol / Originally published in WIRED Hardware and hard science are turning big-league ballplayers into precision-guided flamethrowers 1 I t’s the fastest hu

发表于:2018-12-02 / 阅读(111) / 评论(0) 分类 2016年NPR美国国家公共电台11月

英语听力：探索发现 科学新发现：我们的大气层-13

The planet's rotation twists the air as it flows, helping form the hurricanes that lash the coasts. As moist air wells upwards, clouds become electrically charged and send lightning bolts crushing down to the earth, superheating the air to eighteen t

发表于:2018-12-27 / 阅读(47) / 评论(0) 分类 探索与发现2014年

英文书摘精选 智利地震如何使地球一天时间缩短

The massive earthquake that struck Chile in February 2010 might have shortened Earth's day by 1.26 microseconds, according to calculations by a NASA scientist. An EarthSky Facebook friend asked us how. And the answer is for the day to get shorter, Ea

发表于:2018-12-28 / 阅读(53) / 评论(0) 分类 初学者听力文摘精选

向前一步:第36期 往桌前坐(4)

For women, feeling like a fraud is a symptom of a greater problem. 对女性来说，感觉像个骗子说明的是一个更严重的问题： We consistently underestimate ourselves. 我们始终在低估自己。 Multiple studies in multiple indust

发表于:2019-01-02 / 阅读(41) / 评论(0) 分类 向前一步

电信专业英英词典C-3

City Code - Some foreign countries require you to dial a city code before the phone number you are trying to reach. Clamp - A circuit that removes the energy dispersal signal component from the video

发表于:2019-01-03 / 阅读(74) / 评论(0) 分类 电信英语

电信专业英英词典A-3

AT Command - This is the character

发表于:2019-01-03 / 阅读(87) / 评论(0) 分类 电信英语

TED演讲:为什么头盔不能预防脑震荡?(4)

Now, the way that we're approaching this problem to try to understand the mechanisms of concussion 当下，我们通过这样一个设备研究这一问题，从而试图理解脑震荡产生机制， and to figure out if we can prevent it is we are

发表于:2019-01-03 / 阅读(57) / 评论(0) 分类 TED演讲科技篇

CNN 2010-07-06

And we begin with those heavy rains and tornadoes that are pounding south Texas as Hurricane Alex comes ashore. The season's first hurricane actually made landfall in northeastern Mexico with 100-mile-an-hour winds. Alex has weakened and it's moved i

发表于:2019-01-08 / 阅读(95) / 评论(0) 分类 CNN2010年(七)月

美联社新闻一分钟 2006-09-06

1. President Bush used Osama Bin Laden's own words to defend the war in Iraq. He says the al-Qaeda leader sees Iraq as key to a new world war. He spoke to a military officers' group. The president als

发表于:2019-01-08 / 阅读(131) / 评论(0) 分类 美联社新闻一分钟2006

与美国小学生一起学英文第12册 第11期:水星

Mercury 水星 Which planet is the closest to the sun in the solar system? 太阳系中哪颗行星离太阳最近？ It is Mercury. It is also the smallest planet in the solar system. 水星。它也是太阳系中最小的行星。 How small is Mer

发表于:2019-01-10 / 阅读(87) / 评论(0) 分类 与美国小学生一起学英文第12册

VOA标准英语2010年-Libya Renews Call for United States of

A pre-summit meeting of African foreign ministers has opened with a Libyan call for prompt action to realize Moammar Gadhafi's dream of a continental federation. Ministers are preparing for a summit of African leaders beginning Sunday. Libyan Foreign

发表于:2019-01-13 / 阅读(70) / 评论(0) 分类 VOA标准英语2010年(一月)

VOA标准英语2010年-Farming with Less Fossil Fuel Won't Me

Researchers get same yields with fewer fertilizers, pesticides Steve Baragona | Washington, DC 18 May 2010 Fossil energy use was compared among different crop rotation systems in a field experiment conducted between 2003 and 2008 in Boone Co., Iowa R

发表于:2019-01-13 / 阅读(77) / 评论(0) 分类 VOA标准英语2010年(五)月

加州州长下令节约用水

加州州长下令节约用水 WASHINGTON Environmentalists warn the world is facing serious water shortages and the United States is no exception. While parts of the country may get too much snow and rain, that is not the case in the southwest. Cali

发表于:2019-01-14 / 阅读(106) / 评论(0) 分类 VOA标准英语2015年(八月)

VOA双语新闻：2、加州州长下令节水

加州州长下令节水 Environmentalists warn the world is facing serious water shortages and the United States is no exception. While parts of the country may get too much snow and rain, that is not the case in the southwest. California has been d

发表于:2019-01-19 / 阅读(90) / 评论(0) 分类 VOA双语新闻 2015年4月

英语听力：自然百科 地球自转的奥秘

Well, the story of the earth spin goes back all the way to the origin of the solar system, four and a half billion years ago. The solar system started out as a cloud of gas and dust. And these gas and dust clumped together to form the sun and the var

发表于:2019-01-22 / 阅读(86) / 评论(0) 分类 自然百科2009年

英语听力：自然百科 飓风揭秘

An Atlantic hurricane often begins its life over the mountains in East Africa as an area of low pressure. It travels across the Sahara Desert, then moves out over warm ocean waters. Travelling with the trade winds and circles the globe just above and

发表于:2019-01-22 / 阅读(51) / 评论(0) 分类 自然百科2010年

【对话类英语听力】85

A: Do you like to watch baseball? B: Yeah. I follow the Mariners every year. A: I wonder how they will do this year. B: I don't know if they have a chance. Did you hear that A-Rod went to the Yankees? A: I know. Their team was too good even before ge

发表于:2019-01-23 / 阅读(62) / 评论(0) 分类 对话类英语听力

Advanced Listening Lesson 17

A: Do you like to watch baseball? B: Yeah. I follow the Mariners every year. A: I wonder how they will do this year. B: I don't know if they have a chance. Did you hear that A-Rod went to the Yankees? A: I know. Their team was too good even before ge

发表于:2019-01-23 / 阅读(124) / 评论(0) 分类 高级-Advanced Listening

最美鼻子：研究称完美鼻形为106度！

Do you measure up? Scarlett Johansson and Duchess of Cambridge have the perfect NOSE: Plastic surgeons say the ideal shape is upturned at 106 degrees 你达标了吗？美国女星斯嘉丽约翰逊和凯特王妃拥有最完美的鼻子：正是整形

发表于:2019-01-28 / 阅读(285) / 评论(0) 分类 阅读空间

Israeli researcher develops nano-scale gyroscope

JERUSALEM, May 8 (Xinhua) -- Israeli researcher Jacob (Koby) Scheuer, from the Tel Aviv University (TAU) School of Electrical Engineering, has developed a nano-scale gyroscope, the Ha'aretz daily reported Sunday. Scheuer developed a new optic-fiber n

发表于:2019-02-08 / 阅读(80) / 评论(0) 分类 英语新闻
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