标签:火星探测器 相关文章
Astronaut: Light gray, material on either side. Oh man that's incredible... It seemed to back in the late 60s and early 70s as if America would be a space bearing nation. Plans were big, first the moo
AS IT IS 2013-12-20 Martian Lake Possibly Supported Microbial Life 火星湖可能存在微生物 From VOA Learning English this is As It Is. Hello. Im Caty Weaver. Climate researchers have found links between recent periods of extreme weather and th
1. 定语 用来修饰名词,通常是形容词;若是单个形容词,一般放在修饰名词前;若为词组,一般放在修饰名词之后; 形容词词组的两种情况: (1)成对的形容词; eg:She has many pencils, blue and red. (2)形
In its latest video, ISIS continues to threaten against the west, setting its target squarely on the United States. We will strike America in its stronghold Washington. CIA chief John Breaning today warned the terrorist group now has a lethal externa
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
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
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
1. Authorities in South Carolina rescued a 14-year-old girl from an underground bunker . She text- messaged her mother on the suspect's cellphone before being saved. Vinson Filyaw was arrested in the
This is AP News Minute. President Trump has named a new White House Communications Director Anthony Scaramucci. On Friday afternoon, Scaramucci came out to conduct the first on-camera briefing in several days. Sean Spicer, who was the White House Pre
The American space agency NASA has flown a probe a few thousand kilometres from the swirling cloud tops of Jupiter, the largest planet in our solar system. No other satellite has flown so close to the gas giant1 during the main phase of its mission.
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
A: Hello. B: Hi, Betty. It's Larry. Can you tell me how many smoke detectors you have? A: There are two smoke detectors in my apartment. B: Do you know how new the batteries are? A: I'm very afraid of fires. I change the batteries every Labor Day. B:
A: Hello, Betty speaking. B: Hey, Betty. This is Larry. Tell me how many smoke detectors you have, please. A: This apartment came with one, and I installed another one. B: Are there fresh batteries in each of them? A: Each detector beeps when the bat
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
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
A: Hi, this is Betty. B: Hi, Betty. It's Larry. I need to know how many smoke detectors are in your apartment. A: There was one when I moved in. Then I added one. B: Do both detectors have fresh batteries? A: I always keep them fresh. I don't want to
Are You Ready? 你准备好了吗? You might have never heard of the CERN laboratory, but this is all about to change. On 10th September 2008 the most powerful scientific experiment ever attempted will take place at this quiet research centre near
The streets were all completely blocked off by the San Francisco Police and the U.S. Secret Service was there and Russian Security Forces were there 整条街都被旧金山警方封锁起来 满处都是美国特勤局和俄罗斯安全部队的人
No one at NASA would have ever hoped that the Martian rover Opportunity onboard this Delta rocket launched in 2004 for a three-month mission would end up trundling across the Martian surface for more than a decade. You know, this was a 90-day mission
You know the best part of working in the clean room? No allergies. Check it out. Oh, that-that...that's a lot of oxygen. 你知道在无尘室里工作最棒的是什么吗?不会过敏。你看。鼻子太通 ...一下吸进的氧气有点多。 W