单词：ballistic (air) density
单词：ballistic (air) density 相关文章
Beijing will launch a pilot program to equip schools and kindergartens with air filtration devices. Smog has been a significant issue in the Chinese capital this winter. I was coughing just now, I always wear mask, from school to home. The air is cho
2017CRI中国国际广播电台
It looks like he's going ballistic. John: Hello, welcome to Real English from BBC Learning English. Im John. Helen: 大家好，我是 Helen. John: Today, we're going to look at words and phrases that you might not find in your dictionary. Helen: 地道英语
地道英语在线听
Matt and his wife lived in the country. Matt was very stingy and hated spending money. One day a fair came to the nearby town.
英汉幽默故事选读
The UN Secretary General recently released his biannual report on implementation of UN Security Council Resolution 2231. In it, he confirmed that all parties, including Iran, are living up to their commitments under the Joint Comprehensive Plan of Ac
VOA标准英语2017年(7月)
By Andre de Nesnera Washington 06 July 2006 Just a few days ago, North Korea triggered an international furor when it conducted several ballistic missile tests. In this report from Washington, VOA Senior Correspondent Andr de Nesnera looks at whethe
2006年VOA标准英语（七月）
AS IT IS 2016-03-09 Iran Defies US With Test Missiles 伊朗无视美国制裁进行导弹测试 Iran said Tuesday it conducted ballistic missile tests to defy U.S. sanctions and to show its deterrent power and ability to confront any threats. The te
2016年VOA慢速英语(三)月
The new round of inspections follow checks that were made earlier this month, in which inspectors found several factories emitting large amounts of pollutants in the city of Xinxiang, during the air pollution alert period. This time, the inspectors f
2015CRI中国国际广播电台
BEIJING, Jan. 22 (Xinhua) -- Beijing will strengthen its efforts to treat PM2.5 and slash the density of major air pollutants by 2 percent this year, the municipality's acting mayor said Tuesday. The capital will take 180,000 old vehicles off the roa
英语新闻
Military fans in China and around the world should set their alarm clocks to ring before 10 am on Thursday Beijing time as they will be presented with a rare display of the People's Liberation Army's top weapons, observers suggested. 抗战胜利阅兵
阅读空间
北约敦促朝鲜放弃核武器 BRUSSELS, April 23 (Xinhua) -- Foreign ministers from the 28 NATO countries on Tuesday urged the Democratic People's Republic of Korea (DPRK) to abandon all nuclear weapons and existing nuclear and ballistic missile
英语新闻
I Need Air Magnetic Man Electrify my body And you're makin' me feel Like I'm so electric Everything you do is makin' me Blow Blow Blow Don't know what to do about it Can't see how I'd live without it All I wanna do is just Know Know Know You suffocat
好听的英文歌曲
China has seen more cities meet required air quality standards over the last year, and is now planning even more measures to tackle air pollution and protect blue skies. Li Ganjie, China's Minister of Ecology and Environment, says air quality improve
2018CRI中国国际广播电台
WASHINGTON, July 5 (Xinhua) -- The U.S. Department of Defense on Friday announced that the nation's missile defense system failed in a latest test with a ground-based interceptor missile failing to hit an incoming ballistic missile over the Pacific.
英语新闻
Matt and his wife lived in the country. Matt was very stingy and hated spending money. One day a fair came to the nearby town. Let's go to the fair, Matt, his wife said. We haven't been anywhere for a long time.Matt thought about this for a while. He
趣味英语
North Korea has fired a ballistic missile into the sea, South Korean and US officials say. They say the missile, launched off the east coast, flew about 800km (500 miles) and fell into the water. North Korea has not commented on the report. 近日，据
英语新闻
伊朗成功试射弹道导弹 TEHRAN, Feb. 10 (Xinhua) -- Iran has successfully test-fired two missile, one of them a surface-to-surface long-range ballistic missile, official IRNA news agency reported on Monday. The test-fired ballistic missile was
英语新闻
今天我们要讲的习惯用语都有air这个词。大家都知道air是空气。早在十七世纪，意大利科学家伽利略发现空气似乎没有实质却有重量。后来人们进一步发现高山顶上的空气要比海平面上的空气
美国习惯用语
Beijing's municipal authorities will issue new regulations to improve air quality by the end of this year. The smoggy weather has affected a total area of 1.3 million square kilometers in China recently. The new regulations include higher standards f
英闻天下
The Democratic Peoples Republic of Korea has fired a medium-range ballistic missile into east waters. This move is just days after the DRPK leader Kim Jong-Un ordered further nuclear warhead and missile tests. South Koreas defence ministry spokesman
cctv9英语新闻2016年
The missile launch comes a day after US President Barack Obama signed an order to implement new sanctions on the DPRK. It includes measures from the recently-agreed UN Security Council resolution, and separate moves passed by Congress. Let's cross li
cctv9英语新闻2016年