[化] 阳离子交换

cation interchange的用法和样例：

例句

The sodium is removed with cation exchange resin.钠用阳离子交换树脂来分离。
Cation exchange capacity generally increases with an increase in broken bonds.通常阳离子交换量随破裂增加而增大。

美语听力 English Café 442

Topics: American Presidents Woodrow Wilson; junction versus intersection versus interchange; proprietary versus patent; to bluff (ones) way into a secure area Words: income tax salary graduated antitrust market to merge to campaign league occupation

发表于:2018-11-30 / 阅读(204) / 评论(0)

美语听力 English Cafe

英文短篇故事（纽约）216 The School Job Interview

Clyde went for a job interview. The school was on 8th Avenue. He told the receptionist, I have a 3 o'clock interview with Jessica. She said, She'll be with you shortly. Clyde examined some books while he waited. They were ESL books called Interchange

发表于:2018-12-12 / 阅读(137) / 评论(0)

经济学人文艺系列

英语PK台第770期:词根词缀背单词(20)

一个英语单词可分为三部分：前缀（prefix）词根（root）后缀（suffix）。位于词根前面的部分就是前缀。前缀，可以改变单词的意思。 inter-表示在......之内 interchange = inter + change 在两者之间进行

发表于:2018-12-19 / 阅读(142) / 评论(0)

英语PK台

SSS 2012-07-26

This is Scientific American 60-second Science.I'm A.L.Got a minute? A nice glass of saki might not make figure of your dug.The bosom has resulted belong demascation processors.Humans have demascatered on off louder organisms from paths to grains to t

发表于:2018-12-24 / 阅读(155) / 评论(0)

Scientific American(七)月

礼节美语 Business Etiquette 165 Staycation (3)

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

发表于:2018-12-25 / 阅读(116) / 评论(0)

礼节美语

【话匣子英语】度假

好不容易放个假期，你选择怎么过，是在家里还是出去旅游度假呢？今天学习一个新的名词：staycation. Sample transcript Ricardo: Did you take a lot of vacations when you were younger? Maura: Yeah, every summer, at lea

发表于:2018-12-27 / 阅读(126) / 评论(0)

话匣子英语

赖世雄英语新闻听力通第83期:公交车事故致通道封闭

Traffic entering Taipei along the Sun Yat Sen freeway will have a long wait. 沿着中山高速公路进人台北的交通要堵塞上好一段时间。 The Songqiang Interchange is closed due to a bus accident. 由于发生一场公交车事故，因此

发表于:2018-12-28 / 阅读(157) / 评论(0)

赖世雄英语新闻听力通

大学英语对话-College Application(3)

A: What are you up to? B: Im filling out applications. A: Youre filling out applications for what? B: Theyre college applications. A: Youre already in college. B: Im going to transfer to a different school. A: What school are you transferring to? B:

发表于:2018-12-30 / 阅读(152) / 评论(0)

大学英语对话

AP 2011-08-09

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

发表于:2019-01-11 / 阅读(210) / 评论(0)

美联社新闻一分钟2011(八月)

VOA慢速英语2012 Education Report - United Nations Report Urges “Putting Education to Work”

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

发表于:2019-01-12 / 阅读(159) / 评论(0)

2012年VOA慢速英语(十)月

托福备考资料之关于各种假日的英文表达

各种节假日及假期在英文中如何表达呢？泛指不用工作的休假时间用time off work或者time away from work，准假叫be granted。 Holiday和vacation在英语中意思接近，它们包括三种情况：一是为了休息（re

发表于:2019-01-14 / 阅读(113) / 评论(0)

托福英语

商务礼节美语第21期:Staycation 宅(3)

发表于:2019-01-15 / 阅读(141) / 评论(0)

商务礼节美语

常用外贸英语的英文缩写及中文翻译

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，

发表于:2019-01-21 / 阅读(178) / 评论(0)

天天商务口语

美国文化脱口秀第173期:国庆长假怎么过

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

发表于:2019-01-22 / 阅读(135) / 评论(0)

美国文化脱口秀

有关物流的术语

有关物流的术语物品 article 物流 logistics 物流活动 logistics activity 物流作业 logistics operation 物流模数 logistics modulus 物流技术 logistics technology 物流成本 logistics cost 物流管理 logistics management 物流

发表于:2019-02-03 / 阅读(135) / 评论(0)

实用英语

新年晚会

Mr.Chairman,Ladies and gentlemen,董事长先生：女士们、先生们： Happy New Year to you all! 各位新年快乐! On behalf of all the members of my group, I'd like to thank you, Mr. Chairman, for your gracious invitation for us to attend s

发表于:2019-02-06 / 阅读(138) / 评论(0)

英美文化

各种各样的假期英语单词

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

发表于:2019-02-13 / 阅读(127) / 评论(0)

实用英语

Keep calm at least 至少要平静

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。

发表于:2019-02-14 / 阅读(160) / 评论(0)

实用英语

Education　美式教育

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

发表于:2019-02-17 / 阅读(136) / 评论(0)

实用英语

外国人最常用的流行词语

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.

发表于:2019-02-19 / 阅读(153) / 评论(0)

英语口语

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

Abbado, Claudio

adequate settling tank storage capacity

benzyl 4-carbamyl-1-piperazinecarboxylate