太阳科普 第3期

The winter solstice events at Maeshowe demonstrate 梅萧韦古墓葬的冬至事件 an intimate and precise knowledge of 展现了古人 the sun's movements through the sky. 对太阳运行轨迹的精确了解 It was the first step on ourjourney to

万花筒 2008-06-10&-06-11

Countdown to the Olympics,the Beijing Zoo introduces eight Olympic pandas that will be on display through this summer's games.Visitors waited in long lines to buy tickets to the renovated panda hall at the zoo where the animals will be held in a newl

北师大版高中英语模块7--Unit 22 lesson1-2

[00:00.80]When the atmospheric concertrations [00:03.16]of these gases increase, however, [00:05.84]more heat is trapped and the Earth's [00:07.92]temperature rises. [00:10.37]Over the last 100 years, [00:13.01]the global average temperature [00:15.1

美国国家公共电台 NPR NASA Probe Lands Safely On Martian Surface

MICHEL MARTIN, HOST: Mars is about to get a new visitor from Earth tomorrow. If all goes well, a NASA probe called InSight will land near the Martian equator. Its mission is to study the interior of the planet. But, before it can carry out its missio

侏罗纪搏击俱乐部 第170期:大气层变成了披萨炉

Using science as a guide, we attempt to recreate the final moments of the dinosaurs. 我们以科学为指引，试图重建恐龙的最后时刻。 The first effect was the impact itself. 第一个效果是撞击本身。 So when a 10-kilometer diam

北师大初中英语七年级下--Expansion 9-2

[00:00.00]7 Dear Meg, [00:08.52]I have constant stomach problems. [00:11.48]What can I do to get better? [00:14.12]Frank [00:16.01]Dear Frank, [00:17.46]First of all, [00:18.65]you should see a doctor. [00:20.43]Don't eat junk food. [00:22.38]You sho

Drying Food

Broadcast: Jan 21, 2003 By Gary Garriott Drying food is a simple, low-cost way to keep food safe for eating. Drying removes water that small organisms use to break down food into other substances. Som

英文摇滚歌曲：As I Lay Dying - The Only Constant Is Change

The only constant is change The only constant is change, go The human heart is born without legs Sliding back and forth And never once does it truly rest Unless accompanied by death Sliding back and forth Even the strongest Remnants of history They h

美国国家公共电台 NPR What One Family Lost In Pulse Nightclub A Year Ago

(SOUNDBITE OF MUSIC) DAVID GREENE, HOST: So it has been a year now since a gunman killed 49 people at the Pulse nightclub in Orlando. And today on StoryCorps, we're going to remember Deonka Drayton, one of the people murdered that night. She was 32 a

美国科学60秒 SSS 2013-05-07

When summer hits, I dread jogging outside. But a study finds that elephants can be in true danger in the heat. As creatures get bigger, they have smaller surface area to body volumn ratios. Fully-grown Asian eleplants thus pack a lot of mass into a b

每日一词【355】heat：高温，压力

今天我们要学的词是heat。 大家都知道heat是高温的意思，那么不难想象，引伸一下，heat也可以理解为压力。还有两个多星期，美国2008年总统大选的初选就要拉开帷幕了。 Democratic leading candid

英语听力：自然百科 地球力场 Earth's Force Field—5

If we could flip a switch and just turn off the Earth's magnetic field, it will take about 15,000 years to disappear, based on the rate of decay of the field that we've seen over the last 150 years. It's currently decaying at a rate that would see an

学个词Learn a Word 第355期 heat

今天我们要学的词是heat。 大家都知道heat是高温的意思，那么不难想象，引伸一下，heat也可以理解为压力。还有两个多星期，美国2008年总统大选的初选就要拉开帷幕了。Democratic leading candida

万物简史 第95期:敲石头的人们(20)

One of the better early attempts at dating the planet came from the ever-reliable Edmond Halley, who in 1715 suggested that if you divided the total amount of salt in the world's seas by the amount added each year, you would get the number of years t

AGRICULTURE REPORT - Solar Food Dryers

AGRICULTURE REPORT - Solar Food Dryers By Gary Garriott Broadcast: Tuesday, March 01, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Drying food is a simple, low-cost way to keep

每日一词【1018】heat up：越来越激烈

今天我们要学的词是heat up。 To heat up, 意思是越来越激烈。 The debate over immigration reform is heating up on the Hill, 国会关于移民改革的辩论日益激烈。 The World Cup is heating up as more teams are getting knocked

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世博会开幕这几天一直高温不下，仅5月1、2日两天世博园区救护车出动就达到80多次，其中接诊的26个人是中暑。中暑的英文怎么说呢？大家都知道stroke，中风，而中暑就是heat stroke。 那么，中

每日一词【1112】take some heat：受到批评

今天我们要学的词是take some heat。 To take some heat, 受到批评。 The candidate is taking some heat for his stance on illegal immigrants, 候选人因为在非法移民问题上的立场而受到批评。华盛顿红人队教练沙纳汉因

英语听力精选进阶版 6379

We might not be alone in the universe. Actually, it may be confirmed as a very crowded place by new computer models developed to help identify habitable planets. Estimates of places that can sustain life have been based on the likelihood of them havi

美国习惯用语:315 stand out; stand the heat

我们今天要讲的习惯用语有一个共同的词: stand。我们要学的第一个习惯用语是: stand-out。这儿在stand和out之间有一个连词符号。 Stand-out当名词用。它和形容词outstanding意义相关连。不少人知道