[化] 液固萃取; 固液萃取

河北加拿大版初中英语--Lesson 27

Lesson 27: [00:03.58]Let's Do an Experiment! [00:07.24]One Experiment,Two Theories [00:11.81]A theory is an idea.A theory predicts what will happen. [00:18.57]An experiment shows what happens. [00:23.25]BRIAN:Did you read about this experiment,Danny?

发表于:2018-12-13 / 阅读(214) / 评论(0)

河北加拿大版初中英语

英语分类词汇：光驱

BCF(Boot Catalog File，启动目录文件) BIF(Boot Image File，启动映像文件) CDR(CD Recordable，可记录光盘) CD-ROM/XA(CD-ROM extended Architecture，唯读光盘增强形架构) CDRW(CD-Rewritable，可重复刻录光盘) CLV(Constant

发表于:2018-12-18 / 阅读(220) / 评论(0)

英文语法词汇

高频英语口语对话第514期:探望同事

unit 571 探望同事 dialogue 英语情景对话 A:Excuse me. Could you give me the room number of Mr. Thomas? A:劳驾，请问托马斯先生住在那个病房？ C:Just a moment. He is in Room 307. C:稍等，他在307号病房。 A:How are you f

发表于:2018-12-26 / 阅读(315) / 评论(0)

高频英语口语对话

【英语时差8,16】太空垃圾

Last time we talked about how astronauts eat and drink under weightless conditions in space. Today we'll cover the next question kids love to ask-how do astronauts go to the bathroom in space? It may sound silly, but it's really a good question, beca

发表于:2018-12-27 / 阅读(102) / 评论(0)

英语时差8，16

口腔临床英语对话第18期:手术后的处理

Part eight 第八章 Post-operative Care 手术后的处理 How do you do, Mrs. Waters? The Doctor will see you now. 沃特丝太太，你好。医生现在给你看病。 Hello Mrs. Waters. How are you feeling? Is there any discomfort? 沃特丝太太

发表于:2018-12-27 / 阅读(174) / 评论(0)

口腔临床英语对话

【小龟乐游记】特种神枪手（8）

Hathcock We have an update on the situation,command. HQ We read you. Hathcock We have visual confirmation that the target _(1)_ is currently being transported via _(2)_ ship with _(3)_ registration of The 5 Star. HQ Roger that,we will have intel surv

发表于:2018-12-28 / 阅读(121) / 评论(0)

小龟乐游记英语短文

英语听力文摘 English Digest 613、酸奶中的神秘液体

The Mysterious Liquid In Yogurt When you open a container of yogurt, youll often see liquid collected on top. Some people mix it back into the yogurt, and others drain it off. What is it, and where does it come from? To solve the mystery of the liqui

发表于:2018-12-31 / 阅读(117) / 评论(0)

英语听力文摘 English Digest

英语听力文摘 English Digest 598、宇航员如何在太空中上厕所？

It may sound silly, but its really a good question, because weightlessness does make a visit to the latrine a tricky proposition. Weightlessness poses two main problems in the bathroom. The first is that an astronaut could drift away from the bowl at

发表于:2018-12-31 / 阅读(103) / 评论(0)

英语听力文摘 English Digest

（考研词汇）新版—37

express vt.表示 n.快车，快递 expression n.词句；表达；表情 extend vt.延长；扩大；致 extension n.延长部分；伸展 extensive a.广阔的；广泛的 extensively ad. 广泛地；

发表于:2019-01-03 / 阅读(336) / 评论(0)

考研英语

UNIT 4 Look into Science! Lesson 32: Unit Review

[ti:UNIT 4 Look into Science! Lesson 32: Unit Review] [0:00.000]UNIT 4 [0:01.873]Look into Science! [0:04.086]Lesson 32 [0:05.447]Unit Review [0:07.036]Ⅰ. Building Your Vocabulary [0:10.383]A. Fill in each blank with the proper word or phrase from

发表于:2019-01-09 / 阅读(312) / 评论(0)

河北教育初中英语（初中起点）八年级下册

与美国小学生一起学英文第8册第6期:岩浆

Magmas 岩浆 Have you heard about liquid rock? 你听说过液态岩石吗？ It might sound funny to you. 这听起来可能很好笑。 How can a rock be liquid? While it can be. 岩石怎么可能是液体呢？但有时它还真是。 If the tem

发表于:2019-01-10 / 阅读(134) / 评论(0)

与美国小学生一起学英文第8册

与美国小学生一起学英文第5册第11期:气体

Gas 气体 There are three different kinds of matter. They are solids, liquids and gases. 物质分三种：固体、液体和气体。 Gas has no shape, so you can't touch gas. 气体本无形，所以你触摸不到。 Gas moves very freely. 气体能

发表于:2019-01-10 / 阅读(134) / 评论(0)

与美国小学生一起学英文第5册

VOA标准英语2012--Shedding Light on Extraction Industries

Shedding Light on Extraction Industries Europe is a step closer toward curbing corruption in extraction industries in developing countries. A European Parliamentary committee has approved proposed legislation that would require European companies to

发表于:2019-01-13 / 阅读(137) / 评论(0)

VOA标准英语2012年(九月)

跟动名词做宾语的动词

归纳拓展跟动名词作宾语的动词考虑建议盼原谅(consider/suggest/advise,look forward to, excuse, pardon) 承认推迟没得想（admit, delay/put off,fancy）避免错过继续练（avoid, miss, keep/keep on, practise）否认完成停

发表于:2019-01-16 / 阅读(125) / 评论(0)

英文语法词汇

TED演讲:为何番茄酱很难倒出来(1)

French fries are delicious. French fries with ketchup are a little slice of heaven. 我们都知道炸薯条很好吃，再配上番茄酱简直就是人间美味。 The problem is it's basically impossible to pour exactly the right amount. 但问题是

发表于:2019-01-17 / 阅读(141) / 评论(0)

TED演讲教育篇

TED演讲:为什么玻璃是透明的(1)

Take a look out your window, put on your glasses if you wear them. 向窗外张望一下，有必要的话，戴上眼镜。 You might want to grab a pair of binoculars, too, or a magnifying lens. 也许你还想拿副望远镜或是放大镜。 Now,

发表于:2019-01-17 / 阅读(114) / 评论(0)

TED演讲教育篇

分类词汇：医学英语 5

5.常见手术名称 General Surgery 普外 appendectomy （appendicectomy）阑尾切除术 cholecystectmy 胆囊切除术 cholecystostomy 胆囊造口术 drainage of the abscess 脓肿引流 enterostomy 肠造口术 exploratory laparotomy 开腹探查

发表于:2019-01-17 / 阅读(186) / 评论(0)

英文语法词汇

夏洛的网第115期:奇迹(6)

You know, he said, in an important voice, 你们知道，他用郑重其事的声音说， I've thought all along that that pig of ours was an extra good one. 我已经想通了，我们这只小猪是一只特级好猪。 He's a solid pig. That pig

发表于:2019-01-29 / 阅读(130) / 评论(0)

夏洛的网

英语词汇分类：矿业、采矿

bed, deposit, field 书馆矿床 outcrop 露头 fault 断层 vein, sean, lode 矿脉 gold reef 金矿矿脉 pocket 矿穴 reservoir 储藏 water table 潜水面，地下水面 mine 矿 stratum, layer 矿

发表于:2019-02-06 / 阅读(173) / 评论(0)

英文语法词汇

Wrecked Ship Fuel Extraction to Take Weeks

A Dutch company that specializes in salvage operations says it will take weeks to remove the fuel from a cruise ship that capsized off Italy's coast. The company, Smit, says it plans to conduct a survey of the ship on Tuesday before the extraction pr

发表于:2019-02-06 / 阅读(130) / 评论(0)

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