[化] 全合成

total synthesis的用法和样例：

例句

In this paper, the recent advance in the total synthesis of these Garcinia nature products is reviewed.综述了近年来这类天然产物的全合成研究进展。
A diastereoselective version for the synthesis of chiral pyrrolidine and piperidine ring containing compounds was also developed.利用由本项目拓展的方法，我们成功全合成了生物碱石蒜碱及单萜化合物紫牡丹内酯，合成了蛙皮毒素的重要合成中间体。

李阳疯狂英语口语突破mp3 5201

1. Be in agreement with... I'm in total agreement with what you say. We are in agreement with their decision. Good. Now we can sign the contract.

发表于:2018-11-28 / 阅读(134) / 评论(0)

李阳疯狂英语口语突破MP3

自考英语（二）60讲 The New Music

本讲为 2006 年新的教学内容，请对照教材、练习册、语法书听录音！ Unit 5 Text A The New Music 重点词语 distinct a. 独特的；明显的 The two concepts are quite distinc

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自考英语（二）60讲

第4期: hook, vacant, shape, total, change

说一口流利的英语，从简单的单词开始。听听，读读，背背，今天你的词汇量又增加了5个。单词/词义中英例句单词听读 hook He hung his coat on the hook behi

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每日攻克5词

银行英语对话-Paying Your Fees(3)

A: Hows it going? B: Im great. Thanks. A: What do you need? B: I need to know if I have any fees to pay. A: Actually, you do owe some fees. B: How much do I owe? A: Your fees total $235.13. B: Thats crazy! A: You need to pay these fees soon. B: Can I

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英语情景对话-银行

中式口语纠错:Total sum

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中式口语纠错

[单词解析速记].JV552.(Insouciant.and.Synthesis)

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！

发表于:2018-12-30 / 阅读(180) / 评论(0)

单词解析速记

VOA标准英语10月-N. Korea Threatens 'Total Freeze' of Relations Wi

North Korea says it is considering what it calls a total freeze on ties with South Korea. It is the latest sign of Pyongyang's displeasure with the South's conservative president. VOA Seoul Correspondent Kurt Achin reports. South Korean officials ar

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VOA标准英语2008年（十月）

音乐咖啡厅:Total Eclipse Of The Heart -无力挽回我心已碎

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音乐咖啡厅

绿箭侠第一季第71期:抢回钞票

Well, I'm sorry Walter couldn't join us. 沃尔特来不了真是遗憾 Oh, yes, well, the Australian trip came up suddenly. 是啊，澳大利亚之旅是突然定下的 He sends his apologies. 他让我代他致歉 Where's Oliver? He's not out of t

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绿箭侠第一季

VOA标准英语2010年-Total Solar Eclipse Over Southern Hemi

An annular solar eclipse is seen formed over the sky of Burma's ancient historic city of Bagan, 15 Jan 2010 Holly Gilbert, an astrophysicist at NASA, explains the science behind the spectacle of the sun's disappearance. So during a total solar eclips

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VOA标准英语2010年(七)月

英语摇滚:Show me love

Show me love seit gestern bin ich total verwirrt denn tief in mir ist etwas seltsames passiert es war ein wundervoller Tag - das erste Mal allein mit dir nur danach war ich total deprimiert denn das war lange nicht genug, jetzt will ich mehr als du m

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英文摇滚歌曲

希腊暴发流感疫情

ATHENS, Feb. 11 (Xinhua) -- A total of 42 people died of flu in Greece since the start of the past winter, Greek authorities announced on Wednesday. According to the latest data from the Greek Center for Disease Control and Prevention (KEELPNO), a to

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英语新闻

Checking Out 结帐

Key Sentences（重点句子） 185．I'd like to pay my bill now．我想现在结账。 186．Your name and room number，please？请问您的姓名和房间号码？ 187．Have you used any hotel services this morning？请问您今天早晨是否

发表于:2019-02-13 / 阅读(143) / 评论(0)

实用英语

Lesson 20-2:Shopping2 购物2

Listen to the dialogues and write down the money they spend in the shop. 1.One bunch of flowers, one greetings card and a roll of tape.Total $325. 2.Here are your two big Supreme pizzas and four grilled chicken wings. The total amount is $880. 3.Two

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英语听力练习题

大学英语六级考试作文精彩句型(02)

二、用于描写图表和数据 1. It has increased by three times as compared with that of 1998. 2. there is an increase of 20% in total this year. 3. It has been increased by a factor of 4since 1995. 4. It would be expected to increase 5 times. 5

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四六级写作指导

Teetotal: 滴酒不沾

Teetotal: 滴酒不沾逢年过节、亲朋相聚，餐桌上自然免不了酒。如果您不胜酒力，倒真不如干脆一点，直接来句我向来滴酒不沾。这句搪塞之辞，其相应的英文表达是：I am a teetotaler。关于te

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英语口语

Mexico holds on to No. 20 spot in FIFA rankings

MEXICO CITY, May 9 (Xinhua) -- Mexico's national team holds on to its 20th spot as soccer's world governing body FIFA released the latest world rankings on Wednesday. Mexico, known as the Tricolor for its red, white and green flag-colored uniforms, c

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英语新闻

英语歌曲经典翻唱：Total Eclipse Of The Heart

经典翻唱：Total Eclipse Of The Heart Total Eclipse Of The Heart于1983年由歌手Bonnie Tyler演唱，从此成为经典中的经典。德语音乐剧吸血鬼之舞中就选用了这首歌。大热美剧Glee同样翻唱了它。 Artist：Glee

发表于:2019-02-20 / 阅读(127) / 评论(0)

影视英文歌曲

最实用的句子

I'll get right on it .我现在就去办。 I'm busy with writing the year-end report. I forgot to buy the Christmas cards. Ill get right on it.刚才我忙着写年终总结，忘了买圣诞卡。我这就去办。 Yes, you should get right on it .是

发表于:2019-02-26 / 阅读(118) / 评论(0)

实用英语

如何用英文发泄“委屈”？

1. What's wrong with you? 你是怎么回事啊? 2. I can't bear you anymore. 我再也受不了你了。 3. That's so stupid. 真是愚蠢。 4. I'm fed up. 我受够了。 5. Are you out of your mind? 你疯了吗? 6. I can't take it anymore. 我再也

发表于:2019-03-02 / 阅读(128) / 评论(0)

英语口语

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学英语单词

abnegator

absorp

acoustical zero indication signal

acousto-optic cell

alkali fusion

Amphicarpaea rufescens