标签：航天探测器 相关文章
Finding the school wasn't difficult, though I'd never been there before. The school was, like most other things, just off the highway. It was not obvious that it was a school; only the sign, which declared it to be the Forks High School, made me stop
暮光之城•暮色
Hello to you, I'm Creshon Saunders at the CNN Center in Atlanta. Here is a look at what's happening NOW IN THE NEWS. Hamas is vowing retaliation for Israel's deadly assault on Gaza. At least 170 people have been killed in a series of Israeli airstri
CNN2008年(十二)月
In this Business English Pod lesson on business travel, well be looking at how to deal with security checks. In recent years getting through the security check at the airport has become a chore. In some cities, the whole process can take fifteen to t
商务英语旅游课程
Todd圣诞节要回阿拉斯加看望父母，他正在机场过安检。 Professor: In this first part, an airport security guard is telling Todd what to do before he goes through the metal detector and puts his bags through the x-ray machine. Metal
美语三级跳
A: Hello, this is Betty. B: Hi, Betty. Larry here. How many smoke detectors are in your apartment? A: Actually, I have two. B: Are the batteries fresh? A: Both batteries are good. B: Great. I need to come by and check them myself. A: No problem, when
租住公寓-Renting an Apartment
Helen stepped outside her front door to see what the weather was like. It was sunny and warm. That was nice, because for the past two weeks it had been cold and rainy. It had been so cold that she had had to turn her heater on. She was lucky, because
365个英语简短小故事
Youve probably seen dogs working security at airports, sniffing for drugs, bombs and contraband food. Now our best-friend biosensors might have a new task: ferretting out the scent of bird flu. And they may not be alone on the job. Researchers from t
60秒科学
训练有素狗狗或检测出前列腺癌 Cancer of the prostate gland is one of the leading types of cancers affecting men in their 60s. 前列腺癌是男性60多岁会患上的一种主要癌症。 According to the World Cancer Research Fund Inte
VOA标准英语2015年(十二月)
We wanna bring NBC chief science and health correspondent Robert Bazell. Bob, it's not just the Japanese people affected by the radiation. We had the Pentagon report that our aircraft carriers, the one that Richard was just talking about the Ronald R
万花筒2011年
ESA Spacecraft to Land on a Comet 欧洲航天局探测器登录彗星 After a long flight through deep space, a European Space Agency probe is finally approaching its target - a comet millions of kilometers away from earth. Scientists say the missio
VOA标准英语2014年(七月)
喀麦隆欢迎美国派遣军队 Boko Haram has killed about 400 civilians in northern Cameroon since last year. The group's brazen attacks in recent months have led the government to beef up its military presence in the region with backing from Cha
VOA标准英语2016年(一月)
About six million people worldwide post to Twitter, producing some 650,000 new tweets daily. And one percent of these posts include geographic locations. The combination of language and location has allowed scientists to calculate the dominant langua
Scientific American(四)月
A: Hello, this is Betty. B: Hello, Betty. This is Larry. How many smoke detectors are on your ceiling? A: I have two smoke detectors. B: Do you have fresh batteries in both of them? A: Both batteries are pretty fresh. B: Very good. I have to come by
地道英语对话-租房
A: Hello, this is Betty. B: Hi, Betty. Larry here. How many smoke detectors are in your apartment? A: Actually, I have two. B: Are the batteries fresh? A: Both batteries are good. B: Great. I need to come by and check them myself. A: No problem, when
地道英语对话-租房
The loss of the magnetic field has a catastrophic impact on the planet's evolution. Mars becomes the red planet we see today. If earths magnetic protection continues to fade, would it suffer the same fate? If it vanishes completely, the planet might
自然百科2011年
Therefore, I wrote, after examining these different hypotheses one by one, we are forced, 我一个一个研究了各种不同的假设， every other supposition having been refuted, to accept the existence of an extremely powerful marine animal. 和所
《海底两万里》中英双语有声读物
Rebecca: Look, theres smoke coming from six stories up. Hugh: Yes, I know. Didnt you hear the fire alarm go off upstairs a few minutes ago? Rebecca: No, but Im really glad theres a fire station only a few blocks away. Hey look, theres the fire engine
地道美语播客
Several countries in Africa say they are increasing security at their airports following the Christmas Day bombing attempt on a US airliner by a Nigerian man. Other countries say they have no plans for upgrades, but are monitoring the situation. Scot
VOA标准英语2010年(一月)
介绍: Police: Please lay your bags flat on the conveyor /k?n?ve?.? / belt, and use the bins for small objects. 请把你的包平放在传送带上，小件物品放在箱子里。 Dan: Do I need to take my laptop out of the bag? 笔记本电脑要拿
英语俚语天天说
New images sent back by NASA's Phoenix Mars Lander during its first full day operating in the Martian northern polar region showed most of its science instruments in good health. The one snag on the lander occurred when the protective sheath around t
英语时差8，16