v. 【化】羟化
[网络] 氧化氢胺基酸盐類

疯狂英语口语绝招 Hesitation

Key Words [00:01.02]关键词 [00:02.04]The Most Common Expressions [00:03.29]最常用表达法 [00:04.55]It all depends. [00:06.86]视情况而定。 [00:09.17]It's up in the air. [00:11.36]沿未确定。 [00:13.56]I haven't decided yet. [00:16.34

发表于:2018-11-28 / 阅读(212) / 评论(0)

零距离李阳疯狂英语口语

初中三年级英语(牛津深圳版)全一册 Chapter 3 Places of interes

发表于:2018-12-04 / 阅读(140) / 评论(0)

初中三年级英语

宠物专用航空公司

Background: 一家用来只供宠物飞行使用的航空公司听起来很奇怪，不过美国最新的 Pet Airways 宠物航空改装了几架货运飞机就准备来运送宠物们。宠物的主人们只要付250美元（大约合人民币1,700元

发表于:2018-12-07 / 阅读(194) / 评论(0)

大千世界

The Life I Desired

The life I desired 我所追求的生活 That must be the story of innumerable couples,and the pattern of lifeof life it offers has a homely grace.It reminds you of a placid rivulet,meandering smoohtl

发表于:2018-12-07 / 阅读(178) / 评论(0)

世界上最美丽的英文-人生短篇

UNIT 2 Biggest, Longest, Widest Lesson 10 Where's the Highes

[ti:UNIT 2 Biggest, Longest, Widest Lesson 10 Where's the Highest Hotel?] [0:00.571]UNIT 2 第二单元 [0:01.606]Biggest, Longest, Widest 最大，最长，最宽 [0:04.254]Lesson 10: 第十课： [0:05.797]Where's the Highest Hotel? 最高的酒店在

发表于:2018-12-10 / 阅读(299) / 评论(0)

河北教育初中英语（初中起点）九年级上

Es asi mi amor

Asies Mi Amor, dulcisima y sensual es miel y flor mi aliento en el dolor me da valor cuando no puedo mas, me ense?a dar, me ayuda a perdonar, asi es mi amor, bellisima y sensual, sentimental amante si

发表于:2018-12-14 / 阅读(152) / 评论(0)

英语歌曲第七辑

SSS 2008-06-23

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? On June 4th we told you about iron snowflakes on Mercury. Today we have some radical news about the atmosphere of Venus. Literally, a radical is a molecule that reacts e

发表于:2018-12-24 / 阅读(108) / 评论(0)

Scientific American(六)月

专业术语—SARS专业词汇（二）

Erythromycin,红霉素 Azithromycin,阿奇霉素 Clarithromycin,克拉霉素 Fluoroquinolones and their derivatives （e.g. levofloxacin）,多西环素（如：脱氧土霉素） Tetracyclines （e.g

发表于:2019-01-03 / 阅读(120) / 评论(0)

医务英语

A Lesson In Life 人生物语

A Lesson In Life 人生物语 Sometimes people come into your life and you know right away that they were meant to be there，they serve some sort of purpose，to teach you a lesson or help figure out who you are or who you want to become． You neve

发表于:2019-01-04 / 阅读(136) / 评论(0)

阅读空间

麻省理工学院公开课：单变量微积分03：求导四则运算及三角函数导数

分集介绍：导数，商数，正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(366) / 评论(0)

麻省理工学院公开课：单变量微积分

<词海拾贝>Keeping Up With The Joneses

Keeping up with the Joneses是一个典型的美式习语，表示“和你的富裕邻居保持同等的生活方式或质量”，这其实是一句讽刺的话，指“和左邻右舍比排场比阔气

发表于:2019-01-18 / 阅读(266) / 评论(0)

英文语法词汇

英语单词大师：Cliches

AA: I'm Avi Arditti, with Rosanne Skirble, and this week on Wordmaster -- the catch of the day, terms from the sea. Lots of nautical expressions have washed ashore into everyday English. Alan Hartley researches them for the Oxford English Dictionary

发表于:2019-01-18 / 阅读(162) / 评论(0)

英语单词大师-Word Master

英语儿歌274首第263期:Who stole the cookies from the coookies jar

歌词如下： Who stole the cookies from the cookie jar? Cindy stole the cookies from the cookie jar. Who me? Yes, you. Not me.Then who? Lindy stole the cookies from the cookie jar. Who me? Yes, you. Not me.Then who? Sally stole the cookies from th

发表于:2019-01-28 / 阅读(159) / 评论(0)

英语儿歌274首

Testing of Drugs

81 一年轻妇女死于药品试验 DATE=8-11-01 TITLE=IN THE NEWS #493 - Testing of Drugs BYLINE=Nancy Steinbach （Start at 1'05

发表于:2019-01-30 / 阅读(145) / 评论(0)

科技之光

2007年VOA标准英语-African Divorcees Conquer Social Taboo

By Phuong Tran Dakar 15 March 2007 In some parts of Africa, divorce is still considered a scandal. But, as more couples move to Africa's rapidly growing cities, divorce has become less of a cultural shock. Although female divorcees in rural communit

发表于:2019-02-02 / 阅读(205) / 评论(0)

2007年VOA标准英语（三月）

通用商务：商业英语用词（Buesiness Words）

Limited Partnership 有限合伙（名词），一种伙伴关系，一个或多个伙伴承担偿还债务的法律义务，但还债的额度只限于他们各自拥有的金额。 The venture capit

发表于:2019-02-03 / 阅读(232) / 评论(0)

实用英语

英语歌曲:当红翻唱女Esmee Denters首张单曲

当红翻唱女Esmee Denters首张单曲 Outta Here Get me outta here ＇Cuz my eyes are burning from these silly tears That you brought when you show me you dont really care And you never loved me, Someone get me outta this place 1 2 3 4 (Right now)

发表于:2019-02-03 / 阅读(156) / 评论(0)

好听的英文歌曲

2006年VOA标准英语-Firefighters Set Fires to Lessen Threat of Wild

By Greg Flakus Prescott, Arizona 03 November 2006 watch Forest Fire Prevention In the western United States this year nearly four million hectares of land have been scorched by fire, in the worst wildfire season on record. Twenty-one firefighters ha

发表于:2019-02-05 / 阅读(229) / 评论(0)

2006年VOA标准英语（十一月)

Aesop at Play

An Athenian seeing Aesop in a crowd of boys at play with nuts，stopped and laughed at him for a madman．As soon as the sageOne who was good at laughing at others rather than one who was prone to be laughed atperceived this，he placed an unstrung b

发表于:2019-02-05 / 阅读(152) / 评论(0)

趣味英语

VOA常速英语2008年-Superdelegates May Be Key in US Democratic Pres

By Jim Malone Washington 20 February 2008 Democratic presidential contenders Barack Obama and Hillary Clinton are headed for a showdown March 4 in primaries in Texas and Ohio. Those primaries could go a long way toward deciding who will be the Democr

发表于:2019-02-07 / 阅读(165) / 评论(0)

VOA常速英语2008年（二月）

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学英语单词

'Aqrabah

2-Butyl-3-methylpyrazine