单词：alkali puriflcation
单词：alkali puriflcation 相关文章
很久不见的好友Lisa, Karen和Gina一起吃饭。三个人都说，现在手头很紧，彼此交换勤俭持家的经验。Gina说，她们家实行三十天规则，想买什么东西，先要等上三十天，如果三十天过后还觉得需要
礼节美语
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单词解析速记
alkali碱 alloy结合体 aluminum铝 ajar半开的 bleach漂白 catalyst催化剂 compound化合物 crystal水晶 combustible易燃的 distill提炼 electrician电工 erase抹掉 flask烧瓶 fuse融合 hydrogen氢气 insulate隔热 intrinsic内在的
80天攻克雅思核心词汇
Today I have a special show for you because it's September 24: National Punctuation Day, a holiday created by an educator named Jeff Rubin. To celebrate the day I had a punctuation contest and today's show highlights two of the winners. Other winners
英语语法 Grammar Girl
1. Top officials of Standand Poor's are defending their decision to degrade the US government's credit rating. White House claims that it was a hasty decision based on faulty math, but the SP says it was reasoned conclusion. 2. More than 20 elite Nav
美联社新闻一分钟2011(八月)
Education Report - United Nations Report Urges Putting Education to Work From VOA Learning English, this is the Education Report in Special English. A new United Nations report says over two hundred million young people in developing countries have n
2012年VOA慢速英语(十)月
By Jim Malone Washington 23 June 2006 Political activists, frustrated by the polarized nature of American politics, have decided to do something about it in time for the next U.S. presidential election in 2008. --------------- Unity08.com screenshot
2006年VOA标准英语（六月）
很久不见的好友Lisa, Karen和Gina一起吃饭。三个人都说，现在手头很紧，彼此交换勤俭持家的经验。Gina说，她们家实行三十天规则，想买什么东西，先要等上三十天，如果三十天过后还觉得需要
商务礼节美语
A.A.R = against all risks 担保全险，一切险 A.B.No. = Accepted Bill Number 进口到单编号 A/C = Account 账号 AC. = Acceptance 承兑 acc = acceptance,accepted 承兑，承诺 a/c.A/C = account 帐，帐户 ackmt = acknowledgement 承认，
天天商务口语
国庆长假一直是旅游旺季，热门景区都是人山人海；加上高速公路免收通行费，许多有车一族选择自驾游，在高速上打起了羽毛球。这个国庆，要么在景区哭，要么在家里笑，你选哪一样？ 国
美国文化脱口秀
图片1 Wed like to introduce Sheena Purcell to you. She is a new friend of ours at Culips and she is super talented. In this Chatterbox episode, Sheena tells us a little bit about her experience as a jewelry designer and how she decided to start mak
英语博客-北美风情
By Robert Berger Jerusalem 16 December 2007 An Israeli delegation is making an unscheduled visit to the United States amid disagreements over the recent American intelligence report on Iran. As Robert Berger reports from VOA's Jerusalem bureau, the v
VOA常速英语2007年（十二月）
By Margaret Besheer New York 19 April 2008 Pope Benedict told American Catholic clergy and nuns on Saturday that the Church in the United States must work to overcome its divisions, saying this is a time of healing and purification, after the sexual
VOA常速英语2008年（四月）
By Jim Malone Washington 08 December 2006 President Bush and members of Congress from both political parties have generally welcomed the recommendations put forward by the Iraq Study Group headed by former Secretary of State James Baker and former C
2006年VOA标准英语（十二月）
病假 sick leave; sickness pay; sick pay 带薪休假 paid leave 销假 return to work; back to work 病休表 sickness absence form 员工近亲过世请的假 Bereavement leave; compassionate leave 通常是在员工近亲属去世的时候请的假
实用英语
至少要平静 Keep calm at least When you had fallen to the bottom of your life, every people around you would tell you: Be hard-bitten and be happy! 在你跌入人生谷底的时候，你身旁所有的人都告诉你：要坚强，而且要快乐。
实用英语
On the first day of school, Johnny had a hard time getting out of bed. Johnny, get up! You're going to be late for school! warned his mother. Aw, Mom, do I have to go to school? Johnny complained. Yes, son, summer is over, and the new school year is
实用英语
有些流行用法书本上没有，但老外日常生活中却正在使用。小编帮你搜罗了这10个，赶快学起来吧！ 1. meh: 还行，一般，相当于shrug的口语版（可自行脑补老外耸肩的动作） The film was a bit meh.
英语口语