单词：sulphurize
compounds; as, to sulphurize caoutchouc in vulcanizing.
单词：sulphurize 相关文章
US Aid Groups Organize HIV/AIDS Camps in Africa In parts of the world where it is summer time and schools are out, many kids go to camps for different activities and fun. In Africa, there is a growing trend among U.S.-based aid groups to organize HIV
VOA标准英语2011年(七月)
Sandy Lam has been rising early each day to swim in the waters off Hong Kong Island for nearly 30 years. Lam is 68 years old. He is part of a small community of about 50 people mostly older adults who often use the Sai Wan Swimming Shed. The small bu
2018年VOA慢速英语(十一)月
Lesson 92 A Box Of Matches 第92课 一盒火柴 We need fire every day, to warm our houses, or to cook our food, or to give us light. 我们每天都需要利用火来给房间加温、烹饪、照明。 Even savage tribes use fire for such purposes
英国学生科学读本
Up in the Sierra Madre Mountains, in a bowl-shaped valley, is the capital of Mexico. 在马德雷山脉上有一个碗形的山谷，里面坐落着墨西哥的首都， It is called Mexico City, so you dont have to learn a new name. 叫做墨西哥城
美国学生世界地理教材
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
单词解析速记
Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！
单词解析速记
Grammar Girl here. Last week we talked about capitalizing words in the business world. Today we're going to talk about capitalization in general. If you recall, in English, we capitalize proper nounswords that name a specific thing or person, words s
英语语法 Grammar Girl
Grammar Girl here. In today's episode, well talk about capitalizationits overuse and its misuse in the business world. Lets talk about why capitalization of some words is a capital idea, and why uppercasing other words could be considered a capital o
英语语法 Grammar Girl
Grammar Girl here. Today guest-writer Bonnie Trenga is helping us talk about two sets of words that listeners get confused: pleaded guilty or pled guilty, and use or utilize. Plead Versus Pled Mike from Georgia is transitioning from law enforcement t
英语语法 Grammar Girl
'Occupy Wall Street' Movement Gains Size, Support One month after the Occupy Wall Street protesters moved into New York City's Zuccotti Park, the movement has spread globally, and gained momentum at home. Inspired by the Occupy Wall Street movement,
VOA标准英语2011年(十月)
UnderseaCableCouldRevolutionizeOceanography This past April, there was a big volcanic eruption in Americas Pacific Northwest. If you missed it, you're not alone. It happened under the ocean off the northern Oregon coast. Since then, several research
VOA标准英语2011年(九月)
By Matt Steinglass Hanoi 11 December 2007 Vietnam has been holding four Vietnamese-born American citizens since late November, accusing them of terrorism. The U.S. ambassador to Hanoi has criticized Vietnam's conduct in holding the U.S. citizens. Mat
VOA常速英语2007年（十二月）
By Greg Flakus Houston 15 February 2007 The U.S. Attorney's Office in Houston is planning to ask that accused terrorist Daniel Joseph Maldonado remain in custody without bail as it prepares its case against the man who is the first U.S. citizen char
2007年VOA标准英语（二月）
By Dan Robinson Capitol Hill 18 June 2008 In two resolutions, the U.S. House of Representatives criticizes Zimbabwe's President Robert Mugabe for ongoing political violence. VOA's Dan Robison has more in this report from Capitol Hill. Robert Mugabe
VOA标准英语2008年（六月）
The Israeli government is watching the violent unrest in Egypt - and protests in other Arab countries - with the primary concern that a radically aggressive Islamist regime could take over in Cairo and the political upheaval could spread. The protest
VOA标准英语2011年(二月)
Lesson 57 Sulphur 第57课 硫 Did you ever have to take a mixture of brimstone and treacle? This mixture has not a pleasant taste, but it is a useful medicine; and if it will do us good, we should not care much whether it has a nice taste or not. 小朋
英国学生科学读本
The fumes of burning sulphur will bleach straw, silk, and other things, and make them white and clean. These fumes are also useful for killing the germs which cause fevers and other diseases. 燃烧的硫磺冒出的烟，可以漂白稻草、丝绸和
英国学生科学读本
Michael Drudge The principal architect of the European Union constitution says Britain will be left on the sidelines of Europe, if it rejects the treaty in a referendum. The warning about Britain's pl
VOA2004（上）--各类新闻
Oh, my God, are you choking? Oh, my God, I feel like you're choking! Is anyone here a doctor? What am I saying? I forgot where I am. Has anyone here ever seen What do you do when a girl is choking? I just back up a few inches. What do we do? What do
跟着美剧练发音
The State Council, China's cabinet, has released its timetable to upgrade fuel quality nationwide before 2017. The new standard for petrol and diesel, with sulphur content within 10 parts per million, is expected to be in practice nationwide by 2017.
英闻天下