(离子的)水化半径

NASA发现火星存在液态水的"强有力"证据

NASA: Strong Evidence of Liquid Water on Mars NASA发现火星存在液态水的强有力证据 Scientists have found strong evidence of salt water on the planet Mars, the U.S.space agency NASA announced Monday. 美国太空总署国家航空航天局周

发表于:2018-12-08 / 阅读(79) / 评论(0)

2015年VOA慢速英语(九)月

【健康】患感冒-Having a Cold

A: How are you feeling today? B: I have a terrible cold! A: Where do you think you picked that up? B: A lot of people in my gym have it. Maybe I got it from the equipment. A: Have you taken anything for it? B: I think that I am just going to rest and

发表于:2018-12-26 / 阅读(76) / 评论(0)

健康-Health

VOA慢速英语2018--你可能脱水的征兆

Signs You May Be Dehydrated From VOA Learning English, this is the Health Lifestyle report. Drinking enough water is important to our health. If we want to operate at our highest level and feel great both mentally and physically, we need to stay hydr

发表于:2019-01-03 / 阅读(81) / 评论(0)

2018年VOA慢速英语(八)月

马航失联客机在南印度洋坠毁

KUALA LUMPUR, March 24 (Xinhua) -- New analysis of satellite data suggested that missing Malaysia Airlines Flight MH370 had crashed in the southern Indian Ocean, Malaysian Prime Minister Najib Razak said on Monday. Najib released the sad news at a ha

发表于:2019-01-07 / 阅读(142) / 评论(0)

英语新闻

NPR 2011-03-16

Japan's Transportation Ministry has imposed a no-fly zone over a 20-mile radius around the badly damaged Fukushima Daiichi nuclear plant. A military spokesman says the fears of more radioactive particles leaking from the complex after a fire in three

发表于:2019-01-08 / 阅读(77) / 评论(0)

2011年NPR美国国家公共电台3月

英国文化：英格兰湖区牧羊人过着令人着迷的生活

The Herdwick Shepherd, James Rebanks, is the latest of several generations to have tended flocks in the Lake District, but he now has a book and 45,000 Twitter followers entranced by the starkly beautiful scenes he photographs every day. Here he expl

发表于:2019-01-08 / 阅读(111) / 评论(0)

英美文化

与美国小学生一起学英文第4册第6期:月球

Moon 月球 Do you have any idea how big the moon is? 你知道月球有多大吗？ The moon's radius is 1737 kilometers. 月球的半径长1737千米。 This is just one fourth of our Earth. 它的半径仅仅是地球半径的四分之一。 The d

发表于:2019-01-10 / 阅读(87) / 评论(0)

与美国小学生一起学英文第4册

与美国小学生一起学英文第5册第12期:飓风

Hurricane 飓风 A hurricane is also called a tropical cyclone, typhoon, tropical storm and so on. 飓风也被称为热带气旋、台风、热带风暴等等。 A hurricane is a violent storm. 飓风就是猛烈的暴风雨。 It makes strong winds

发表于:2019-01-10 / 阅读(96) / 评论(0)

与美国小学生一起学英文第5册

乔布斯传第118期:像保时捷那样

Like a Porsche 像保时捷那样 Jef Raskin's vision for the Macintosh was that it would be like a boxy carry-on suitcase, 杰夫拉斯金设想中的麦金塔电脑就像一只四四方方的手提箱， which would be closed by flipping up the key

发表于:2019-01-22 / 阅读(85) / 评论(0)

乔布斯传

【文摘】再见，太阳！

Have you ever considered the possibility that the sun will eventually burn out? Don and Yael discuss that sobering thought on this Moment of Science. [OUTSIDE INSECT SOUNDS] D: Wow, what a beautiful s

发表于:2019-01-26 / 阅读(136) / 评论(0)

阅读空间

PBS高端访谈:为什么爱荷华的禽流感爆发的如此猛烈?

HARI SREENIVASAN: As we reported yesterday, the nation's largest egg-producing state, Iowa, has declared a state of emergency following a major outbreak of the avian flu. Millions of chickens and turkeys there and in Wisconsin and Minnesota have been

发表于:2019-01-27 / 阅读(83) / 评论(0)

PBS访谈健康系列

英格兰湖区牧羊人 45000人为之着迷的生活

发表于:2019-02-04 / 阅读(96) / 评论(0)

阅读空间

China to expand food contaminant monitoring

BEIJING, Jan. 25 (Xinhua) -- China has set a goal of equipping at least half of the country's county-level administrative regions to monitor various contaminants and harmful ingredients in food by the end of 2013. A new work plan, released on Friday

发表于:2019-02-06 / 阅读(104) / 评论(0)

英语新闻

WHO Warns Against Self-Medication as Antidote to Radiation

The World Health Organization (WHO) warns against the indiscriminate(任意的无差别的) use of potassium iodide as a precaution against nuclear radiation. WHO is issuing this advisory following reports of people in Japan and elsewhere who are usi

发表于:2019-02-06 / 阅读(251) / 评论(0)

英语新闻

谷歌收购无人机公司

谷歌收购无人机公司 In its latest purchase of high-tech companies, Google has acquired a manufacturer of solar-powered drones that can stay in the air almost indefinitely, relaying broadband Internet connection to remote areas. It is seen as

发表于:2019-02-06 / 阅读(77) / 评论(0)

英语新闻

美联社新闻一分钟 AP 2015-07-16

1.Euro zone's top officials executively have talked for a whole week for new bailout programme for Greece to be worked out . Under the deal reached Monday, Greece must take measures to reform its economy inorder to find negotiations on the third mult

发表于:2019-02-11 / 阅读(128) / 评论(0)

美联社新闻一分钟2015(七)月

第349期:怎样能有效减少久坐

你肯定听说过：久坐是新型的吸烟。一项新的研究发现，即使你很活跃，每天在电脑前坐八小时，也会缩短你的寿命。但是现在你可以试着用这些方法来减少你坐的时间，而且也不用把你工作

发表于:2019-02-13 / 阅读(89) / 评论(0)

卡卡课堂早餐英语

乔布斯传第421期:消灭兼容机(3)

Apple resisted licensing out the Macintosh operating system until 1994, 苹果一直拒绝把麦金塔的操作系统授权出去，直到1994年， when CEO Michael Spindler allowed two small companies, Power Computing and Radius, to make Macintosh

发表于:2019-02-15 / 阅读(105) / 评论(0)

乔布斯传

北京城市副中心等场所将于2020年率先使用5G网络

Beijing expects to implement the pre-commercial service of the 5th generation mobile networks, or 5G, in key locations by 2020, according to a development plan on big data and cloud computing released by the municipal government. 北京市政府近日发

发表于:2019-02-18 / 阅读(110) / 评论(0)

英语新闻

咱们裸熊第59期:等级制度

Hierarchy often within a group of three or more, organization is difficult unless there is a leader. 等级制度一般存在于三人及以上的组织里，若无领导者，组织会出问题。 Hierarchy is a ranking of authority. Often when one

发表于:2019-02-19 / 阅读(95) / 评论(0)

咱们裸熊

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学英语单词

adjustment by method of polygon