[网络] 空间结构

steric的用法和样例：

例句

用作形容词(adj.)

A rather more complex case is that of steric isomerism.更复杂的情形是立体异构问题。
The stereoselectivity was improved by increasing steric hindrance of the reactions.通过增加反应的空间位阻改进了反应的立体选择性。

不择手段背单词(604):austerity

austerity, n 节俭（严格节约，经济紧缩）；简朴；艰苦【例】wartime austerity 战时节俭【记】au读：诶哟，sterity＝sterility（n 不毛之地）－需要节俭【反】ostentation（n 卖弄，摆阔）

发表于:2018-12-04 / 阅读(145) / 评论(0)

不择手段背单词

4医学专业英语--解剖学词汇--泌尿

第四章泌尿系统 Chapter 4 Urinary System 1, 25- hydroxycholecalciferol 羟胆钙化醇 abdominal part of the ureter 输尿管腹部 apex of bladder 膀胱尖 body of bladder 膀胱体 cystoptosis 膀胱脱垂 erythropoietin 红细胞生成素 external urethral orifice 尿道外

发表于:2018-12-05 / 阅读(248) / 评论(0)

医学英语

第452期:干货分享-速记单词时那些有趣的套路

词根词缀：词根： ver=true(真实的) verily adv. 真正地；真实地 veridical adj. 不虚伪的；诚实的前缀： extra-= beyond 一般加在形容词之前，表示在之外超出的意思 extraordinary adj. 非凡的；特别的；离

发表于:2018-12-19 / 阅读(89) / 评论(0)

卡卡课堂早餐英语

英语语法：147 “Historic” Versus “Historical”

Grammar Girl here. Todays topic is the difference between the words historic and historical. A listener, Denise, wants to know if she should say, We sell historic replicas or We sell historical replicas. Was an event a historic occasion or was it a h

发表于:2019-01-02 / 阅读(134) / 评论(0)

英语语法 Grammar Girl

你知道，开发一个App要花多少钱吗

Do you ever have an idea for that million-dollar app? Something so simple its crazy that it doesnt exist and one so obviously good that its guaranteed to be the next Uber. Of course you sometimes think that way, everyone does. The problem is that ver

发表于:2019-01-08 / 阅读(233) / 评论(0)

轻松英语

节奏布鲁斯:Jay Sean - All On Your Body

A-a-all on your body girl All on your body A-a-all on your body girl All on your body A-a-all on your body girl All on your body A-a-all on your body girl Girl you too fine 10 outta 10 I'll be your rude boy And your gentleman So just let me do it I'l

发表于:2019-01-11 / 阅读(131) / 评论(0)

节奏布鲁斯

Calls for Political Change Keep Protests Going in Mideast

This is IN THE NEWS in VOA Special English. 这里是美国之音慢速英语新闻报道节目。 Anti-government protests continued this week in several countries across the Middle East and North Africa. 本周，反政府示威活动继续在中东和

发表于:2019-01-12 / 阅读(130) / 评论(0)

2011年VOA慢速英语(二)月

VOA标准英语2008年-Political Violence, Intimidation Continue in Zi

Although Zimbabwe President Robert Mugabe's ZANU-PF party has agreed to talks with the opposition Movement for Democratic Change on a possible power sharing arrangement, the country's political violence and intimidation continue. Peta Thornycroft re

发表于:2019-01-13 / 阅读(149) / 评论(0)

VOA标准英语2008年（七月）

VOA标准英语2011--WHO Study Finds Many with High Cholester

A major study by the World Health Organization shows that most people with high cholesterol levels around the world are not getting the treatment they need, to avoid such serious diseases as heart attacks and strokes. And the authors of the study - t

发表于:2019-01-14 / 阅读(139) / 评论(0)

VOA标准英语2011年(二月)

旅馆英语对话-Medical Emergency(3)

A: I need a doctor right now! B: Tell me the problem, sir. A: My wife just passed out! B: Sir, it's difficult to understand you. Please take a deep breath and calm down. A: Don't tell me to calm down! My wife is passed out! B: I'm getting 911 on anot

发表于:2019-01-15 / 阅读(130) / 评论(0)

英语情景对话-旅馆

原版英语对话：A Medical Emergency(2)

A: Can you tell me where it hurts? B: I am so glad they called you. It feels like something is really wrong with my stomach! A: Does it hurt when I push here? B: Its mostly on my right side. Right here! A: Have you been feeling this way for awhile? B

发表于:2019-01-15 / 阅读(177) / 评论(0)

英语情景对话-健康

原版英语对话：A Medical Emergency(3)

A: Where are you feeling the pain? B: I cant stand up! My stomach is killing me! A: Can you put your hand where it hurts the most? B: It hurts smack in the middle of my gut! A: Did this just come on suddenly? B: I felt OK until an hour or so ago, and

发表于:2019-01-15 / 阅读(150) / 评论(0)

英语情景对话-健康

英文蓝调歌曲：Jay Sean - All On Your Body

发表于:2019-01-16 / 阅读(135) / 评论(0)

节奏布鲁斯

Medical Information on the Internet

73 国际互联网上的医药信息 DATE=7-23-01 TITLE=DEVELOPMENT REPORT - Medical Information on the Internet BYLINE=Nancy Steinbach (Start at 01'0

发表于:2019-01-30 / 阅读(121) / 评论(0)

科技之光

SCIENCE IN THE NEWS - When Nothing Goes to Waste: the Myster

SCIENCE IN THE NEWS - When Nothing Goes to Waste: the Mystery of Obsessive Hoarding By Lawan Davis Broadcast: Tuesday, May 03, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special Engli

发表于:2019-01-30 / 阅读(154) / 评论(0)

科技之光

英语构词法（18）

发表于:2019-02-07 / 阅读(355) / 评论(0)

英文语法词汇

Tymoshenko to Get Medical Treatment Outside Kyiv Prison

Ukrainian President Viktor Yanukovych has promised to allow jailed former prime minister Yulia Tymoshenko to receive medical attention outside of the Kyiv prison, where she is currently being held. At a news conference Tuesday, Mr. Yanukovych said he

发表于:2019-02-07 / 阅读(134) / 评论(0)

英语新闻

Political crisis in Pakistani averted

ISLAMABAD, Jan. 7 (Xinhua) -- Political crisis in Pakistan was averted on Friday as the Prime Minister Yusuf Raza Gilani succeeded in persuading a key political group to withdraw（撤回） its decision of joining the opposition. The Muttahida Qaumi

发表于:2019-02-08 / 阅读(137) / 评论(0)

英语新闻

Political Bickering Hurts US Economy

Continued political bickering in the United States is hurting stock and commodity prices and slowing spending by some U.S. holiday shoppers. Oil was selling at below $89 a barrel Monday, as traders worried that an economic downturn could cut demand f

发表于:2019-02-09 / 阅读(124) / 评论(0)

英语新闻

Political trust key to promote free trade in East Asia

BEIJING, May 12 (Xinhua) -- A decade of researching whether a free trade area (FTA) among China, Japan and the Republic of Korea (ROK) is feasible has been no means an easy journey. And any sign of progress to push forward the talks deserves applause

发表于:2019-02-18 / 阅读(112) / 评论(0)

英语新闻

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

boosters with detonator

br(buffer release)