阳离子交换剂

英语语法：39 Complex-Compound Sentences

Grammar Girl here. Todays topic is the complex-compound sentence. Guest writer Sal Glynn writes: Most writers worth their fingertip calluses begin as avid readers. We read books, magazines, and websites indiscriminately until we start to notice the w

发表于:2018-12-07 / 阅读(341) / 评论(0)

英语语法 Grammar Girl

Refugee Artists Seek to Give Back to Community

Refugees carry few material goods with them when they flee war, violence or persecution in the homelands. But they do bring skills to their new countries. An exhibit in the United States shows that sometimes these skills are artistic. The Sandy Sprin

发表于:2019-01-03 / 阅读(220) / 评论(0)

2018年VOA慢速英语(八)月

2007年VOA标准英语-Race to Build Trans-Balkan Oil Pipeline

By Barry Wood Washington, DC 08 January 2007 watch Balkan Pipeline report Map of Balkan pipelines A race is underway in the Balkans to build an oil export pipeline that bypasses the Turkish Straits. One proposed line would go from Bulgaria to Albani

发表于:2019-01-08 / 阅读(273) / 评论(0)

2007年VOA标准英语（一月）

VOA标准英语2015--亚马逊获得无人机专利

Amazon Gets Patent for Drone Deliveries 亚马逊获得无人机专利 Amazon.com - the largest U.S.-based online retailer - has received a patent for its planned delivery system - getting merchandise to customers by flying drones. In March, federal

发表于:2019-01-09 / 阅读(244) / 评论(0)

VOA标准英语2015年(五月)

VOA慢速英语2009-THIS IS AMERICA - The Complex Story of Abraham L

VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Barbara Klein. This week on our program, we remember President Abraham Lincoln. This Thursday is the two hundredth anniversary of his birth. (MUSIC) VO

发表于:2019-01-11 / 阅读(354) / 评论(0)

VOA慢速英语2009年（二）月

VOA慢速英语2015 亚马逊获得无人机送货专利

Amazon Receives Patent for Drone Delivery System 亚马逊获得无人机送货专利 Amazon.com has received patent rights to send its products to customers by unmanned drone aircraft. The company is the largest U.S.-based online seller of products.

发表于:2019-01-12 / 阅读(239) / 评论(0)

2015年VOA慢速英语(五)月

VOA常速英语2015--亚马逊无人机送货计划提交专利申请

亚马逊无人机送货计划提交专利申请 According to the patent application published by the U.S. Patent Office, Amazon plans to use the Global Positioning System, or GPS, not only for deliveries to homes around the country, but directly to

发表于:2019-01-14 / 阅读(205) / 评论(0)

VOA标准英语2015年(十月)

Alexis Kekeh

BBC Learning English People and Places Alexis Kekeh Alexis:My name is Alexis. Im from Togo. William: and Im William Kremer. Welcome to People and Places! One of my favourite things about living in London is the incredible mix of people that you find

发表于:2019-02-01 / 阅读(548) / 评论(0)

人与地方

原版英语对话1000个:292 Walkabout

Todd: Aaron, sometimes I hear from Australians, the term, have a walk-about, or walk-about! Aaron: A walk-about is an aboriginal word. It basically, means an aboriginal boy, when he is growing up goes for a long walk, maybe for twelve months, and he

发表于:2019-02-02 / 阅读(247) / 评论(0)

原版英语对话1000个

白领商务英语－经典案例7：Lexmark International

Organization, Teamwork, and Communication Facing Business Challenges At Lexmark International From IBM to Independence How do you build a new, independent organization after years of control by a giga

发表于:2019-02-02 / 阅读(309) / 评论(0)

实用英语

2006年VOA标准英语-Iran's President Flexes Political Muscle in Nuc

By Gary Thomas Washington 12 June 2006 The United States and its European allies have offered Iran a package of incentives to get Tehran to abandon any ambition to build nuclear weapons. Iran has not rejected the package outright, but is standing fi

发表于:2019-02-07 / 阅读(393) / 评论(0)

2006年VOA标准英语（六月）

CCTV9英语新闻：New crew arrive at International Space Station

A Russian spacecraft carrying three astronauts has docked at the International Space Station. NASA says the crew docked some 400 kilometers above Earth over the Pacific Ocean, off the western coast of Peru, 6 hours after the rocket took off from a Ru

发表于:2019-03-01 / 阅读(254) / 评论(0)

cctv9英语新闻2016年

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6-ethly-3-(1H-tetrazol-5-yl)chromone