单词：impermeable barrier
impermeable barrier的用法和样例：
例句
- Landfills without the benefit of a naturally impermeable layer use plastic liners and imported clay.没有受益于天然不透水层的垃圾填埋场使用塑料衬管和进口粘土。
单词：impermeable barrier 相关文章
英语畅谈世界文化lesson7:Great Barrier Reef大堡礁
英语畅谈世界文化
From VOA Learning English, this is the Health Lifestyle report. Our brains are protected by our skull. But that is not the only protection it has. A natural barrier around our brains prevents germs and other damaging substances in the blood from ente
2018年VOA慢速英语(八)月
Russian Punk Rockers Pussy Riot Produce 'Protest Music Video' 俄罗斯朋克摇滚组合猫咪暴动乐队发行最新单曲抗议普京的一些举措 SOCHI, RUSSIA Russian Punk Rockers Pussy Riot have released the video for their latest single. It
VOA标准英语2014年(二月)
The New Age of Nuclear Power By Spencer Reiss / Originally published in Wired . Get ready for the mass-produce, meltdown -proof future of nuclear energy 1 A team of Chinese scientists advising the Bei
彭蒙惠英语
First up today, a tribute, yesterday was the first anniversary of terrorist attack in the Boston Marathon. Three people died in the bombings. Scores were injured. Police say an official was killed later by the bombing suspect. But the city soldiers a
CNN2014年(四)月
Chapter 24 Language Barrier between Chinese and Foreigners第 24章 中外语言障碍David：Do you know any foreign experts here in China? 你认识在中国工作的外国专家吗？ You：No, language is a real barrier between Chinese and foreig
留学生在中国
文本： Almost certainly, he didn't mean it as an impermeable barrier against barbarian onslaught from the north. The wall was studded with milecastles and turrets and forts like this one at Housesteads. But as Britain settled down in the second ce
跟着英剧练发音
barrier, ['briə] n （用来禁止通行的各种）障碍物（如：栅栏和关卡）＝obstacle 【例】The police put a barrier 警察设了路障。barrier of speech 语言的隔阂
不择手段背单词
A man of righteousness 一个正直的人 Jerry miller was a politician with strong views. Convinced of his own righteousness, he was the perfect impersonation of a man of rectitude. His stiff walk-due to a knee-joint implantadded to his upright image. A
胡敏托福词汇记单词
Israeli High Court to Consider Legality of Security Barrier Ross Dunn Israel's high court has agreed to consider the legality of a controversial West Bank security barrier , just weeks before the proj
VOA2004（上）--各类新闻
A MARTINEZ, HOST: There are few places on Earth where the impact of climate change is more noticeable than along the Great Barrier Reef. It's the planet's largest living organism that now has become the world's largest dying organism. In the past 18
2017年NPR美国国家公共电台7月
Today, the elements that support the reef are in fine balance--sun, wind and waves. But it doesn't take much to tip the balance, plummeting this huge reef into disaster. It might happen sonner than you think. Eighteen million years ago, a series of r
自然百科2011年
Where the forces of nature meet? In a hidden world, a tropical miracle. At this moment, evolution is building a living colossus, a giant built by nature's tiniest creature, a model of reincarnation, a survivor born from disasterthe Great Barrier Reef
自然百科2011年
今天我们要学的词是barrier。 Barrier是障碍的意思。Language barrier, 是语言障碍。Trade barrier, 是贸易壁垒。The lack of funding was the biggest barrier to the road improvement, 意思是道路改善的最大障碍是缺少资
英语每日一词
今天我们要学的词是barrier。 Barrier是障碍的意思。Language barrier, 是语言障碍。Trade barrier, 是贸易壁垒。The lack of funding was the biggest barrier to the road improvement, 意思是道路改善的最大障碍是缺少资
英语单词荟萃
By Paul Sisco Washington 12 October 2007 American test pilot Chuck Yeager flew a plane through the sound barrier on October 14th, 1947. VOA's Paul Sisco takes a look back at the famous feat and the man who first flew at Mach 1. Some say only the Wrig
2007年VOA常速英语（十月）
By Challiss McDonough Beirut 17 July 2006 The sixth day of Israeli bombardment of Lebanon on Monday killed more than 40 people, bringing the death toll in the country to over 200, mostly civilians. Another 24 people have been killed in Israel, where
2006年VOA标准英语（七月）
BBC News Scientists think they have found a smart way to constrain carbon dioxide emissions - just turn them to stone. The researchers report an experiment in Iceland where they have pumped CO2 and water underground into volcanic rock. Reactions with
英语新闻
By George Dwyer Washington, DC 08 May 2006 watch Green Campus report With energy prices rising rapidly these days, consumers, businesses and other energy users are looking for creative ways to cut cos
2006年VOA标准英语（五月）
The barrier separating Israel from West Bank Palestinian territories is the theme of a Washington exhibit by a dozen U.S. and Canadian-based artists. Each gives a different representation of what the artist views as an obstacle to peace. The curator
英语新闻