单词：volcanic craters
单词：volcanic craters 相关文章
What makes science really fun is when you get to do things yourself, so today were going to be making moon craters. 科学真正变得有趣的时刻就是当你亲自实践的时候，那么今天，让我们来一起制作月球陨石坑吧！ They
初学者听力文摘精选
[00:00.62]UNIT 3 [00:07.67]Expansion 3 [00:12.97]Exercise 2 [00:15.15]My name is Kevin. [00:17.00]I am from New Zealand. [00:19.24]Here is some information about my country. [00:23.44]New Zealand is in the South Pacific Ocean [00:27.25]about 1,000 mi
北师大版初中英语八年级上
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.
国家地理2008年
It used to be that finding even one new planet was enough to make an astronomer's career. 曾经即便是找到一颗新卫星都足以成就一名天文学家的事业。 Uranus was discovered in 1781 by William Herschel, who these days has, among o
经济学人科技系列
Whenever you're ready, sir,he called to me. 对我喊：先生，您高兴就清上来。 I got out, Conseil at my heels, leaving the two men in the skiff. 我跳下小艇，后面跟着康塞尔，那两个人留在艇中。 Over an extensive area,
《海底两万里》中英双语有声读物
1983年４月７日，美国＂挑战者＂号航天飞机在太空飞行期间，两名航天员在太空自由自在地飘飞行走了3个多小时．这是人类首次不系绳索自由地在太空行走． 航天员为何能在太空行走呢？原
60秒科学
Rescue workers pulled at least 10 people alive from ash and mud flows around Guatemalas Volcan de Fuego on Monday. The countrys national disaster agency reported at least 62 people have died since the volcano exploded Sunday. Officials say the number
2018年VOA慢速英语(六)月
By Trish Anderton Jakarta 25 October 2007 A volcano on the Indonesian island of Sulawesi has erupted, spewing a column of smoke and ash high into the air. But, officials say the activity at Mount Soputan does not present a threat to people living nea
2007年VOA常速英语（十月）
Twelve men have walked on the moon. And now you can, too. Virtually, that is. Because planetary researchers are enlisting everyday citizens in scientific exploration of the surface of the moon. At the Web site moonzoo.org, you can check out new high-
Scientific American(五)月
Crater 火山口 A crater is a big hole in the ground. 火山口就是地面上的大洞。 Volcanic activity can make craters. 火山活动会形成火山口。 After a volcano erupts, we see a huge hole on the top of the volcano. 火山喷发后，火
与美国小学生一起学英文第7册
李华和Larry在公园散步。最近全球性的经济衰退，让Larry忧心忡忡。今天我们要学两个常用语： do-or-die和 to crater. LL: Well, Li Hua, I'm glad to hear that you are enjoying your job. But I can't help worrying about th
美国之音《流行美语》
I want to talk about 4.6 billion years of history in 18 minutes. That's 300 million years per minute. Let's start with the first photograph NASA obtained of planet Mars. This is fly-by, Mariner IV. It was taken in 1965. When this picture appeared, th
英语演讲
Large Impacts May Cause Volcanic Eruptions巨大冲击引发火山喷发 Other rocky planets in our solar system show a common feature: within giant craters caused by impacts theres evidence of volcanic activity. Which made scientists wondercan big i
2017年Scientific American(六)月
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. B
自然百科2008年
The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying
英语新闻
Data from the first flyby of the planet Mercury in January of 2008 by the spacecraft MESSENGER are reported in eleven papers this week in the journal Science. The findings reveal new details about the solar system's smallest planet 77 million kilome
VOA标准英语2008年（七月）
By Paul Sisco Washington, DC 15 February 2008 Scientists have started analyzing data and images acquired when the Messenger space probe passed within 200 kilometers of the planet Mercury last month. It was the first flyby of the solar system's inner-
VOA常速英语2008年（二月）
今天我们要学的词是 volcanic ash, volcanic is spelled v-o-l-c-a-n-i-c, ash is spelled a-s-h, volcanic ash。volcanic ash 火山灰。爱尔兰上星期发生火山爆发，The volcanic ash from Iceland forced the cancellation of flights in an
英语单词荟萃
And the answer that occurred to me first, 我首先想到的是 was it looked like another moon peeking out behind lo. 它看起来像是从木卫一后方露出来的另一个卫星 But when she looked closer she realised it 但仔仔观察后她才发
神秘的月球
As the moon pulls away it will put an end 随着月球日渐远离 to one of nature's most glorious spectacles; 自然界中最壮丽的奇景也将画下句点 a total solar eclipse. 那就是日全食 The moon is 400 times smaller than the sun. 月球
神秘的月球