单词:friction surface belt
单词:friction surface belt 相关文章
VOICE ONE: I'm Mario Ritter. VOICE TWO: And I'm Steve Ember with EXPLORATIONS in VOA Special English. This week, we tell about some of the biggest space stories of two thousand nine. First, there was the American space agency's discovery of water on
925 、 高电压 highvoltage 926 、 高碳钢 highcarbonsteel 927 、 干燥法;干材法 seasoning 928 、 偶合;耦合 ( 电工 )coupling 929 、 侧面投影 sideprojection 930 、 侧条芯夹
But the friction and heat wears away at the space rock, the hot air actually melts the metal surface, and often the collision with the atmosphere can have a shattering effect, splitting the meteorites along fissures. This is an actual meteorite, and
今天我们要讲的美国习惯用语是:hit below the belt。Hit是打击的意思,belt是腰带的意思。Hit below the belt 连在一起用,原来指在拳击中违规地打击对手腰带以下的部位,现在也用来指不公正地、用
Idiom: Notch on your belt一个人在某方面取得的进步 Hit the book: Expedition Set off Odyssey Drifting Navigation Keep on track Floe Prompt
Serbian President Tomislav Nikolic is currently in China on an official state visit, and he spoke to CGTN's foreign affairs reporter Su Yuting about how the two countries can cooperate within the framework of the Belt and Road Initiative. Serbia is f
By David McAlary Washington 06 March 2006 The newest American mission to Mars is hurtling toward the red planet, due Friday to examine it in the sharpest detail yet. It will be the largest spacecraft
By David McAlary Washington 10 March 2006 Mars Reconnaissance Orbiter Another U.S. spacecraft has begun orbiting Mars to study the red planet in unprecedented detail. The Mars Reconnaissance Orbiter w
WUHAN, Feb. 23 (Xinhua) -- Mayors of four provincial capital cities in central China on Saturday signed a strategic partnership agreement vowing a coordinated effort in building the Central China Economic Belt. According to the Wuhan Consensus, the c
New Skateboard Defies Gravity WASHINGTON A futuristic dream only a couple of decades ago, the hoverboard a skateboard that floats above the ground - has finally been made possible. While still not ready for mass production, it promises to become a co
Scott and his final team of five arrived at the South Pole in 1912 January to find they had been beaten to it by a Norwegian team led by Roald Amundsen, 1912年一月,斯科特和他的五人小分队 到达了南极点。但不巧,他们发现由挪
Scott and his final team of five arrived at the South Pole in 1912 January to find they had been beaten to it by a Norwegian team led by Roald Amundsen, 1912年一月,斯科特和他的五人小分队 到达了南极点。但不巧,他们发现由挪
China's Foreign Minister Wang Yi said that China will remain a firm supporter of free trade, regional cooperation, and the economic integration of the Asia-Pacific region. He made the remarks while commenting on China's stance towards the Comprehensi
Huygens Spacecraft Arrives at Saturn Moon “慧更斯”号抵达土星卫星 After a seven-year ride to Saturn on the U.S. Cassini spacecraft, the European Space Agency's Huygens probe is finally at
今天我们要学的词是seat belt。 Seat belt, 安全带。研究结果显示, Car seats reduce the risk of child injury up to 82 percent, compared to just wearing seat belts, 儿童汽车座椅跟只系安全带相比,可以将孩子受伤的风
BEIJING, June 12 (Xinhua) -- Pressure from trade frictions has continued to increase this year for Chinese enterprises, while further challenges are expected in the future, a commerce official said. Li Chenggang, head of the Department of Treaty and
BEIJING, Apr. 16 (Xinhuanet) -- China and the United States will experience more trade friction in the high-end manufacturing sector, as Washington protects its domestic industries, officials said on Sunday. Friction will surely increase as China and
On our last program, we learned how water bugs manage to stand on the surface of a pond: The pads of their feet resist contact with the water just like wax paper does. This allows the bug to rest on the thin film of surface tension that naturally cov
China, EU to negotiate over solar panel friction BEIJING, Sept. 11 (Xinhua) -- The Chinese government on Tuesday sent a delegation to Europe to negotiate with the European Union (EU) about the trade friction over solar panel imports. The delegation,
Why Frisbees Fly With a gentle flick of the wrist on a warm summer day, you can launch a frisbee on a long and graceful flight. Why do they fly so well? One reason is something called gyroscopic force. This is the tendency of a spinning object to mai