[化] 工业用氧

上海牛津初中英语八年级下--CHAPTER 2 Reading POLL

CHAPTER TWO Reading POLLUTUO FIGHTERS [00:09.90]Judy is collecting some facts for a class project on pollution. [00:18.44]She is interviewing Doctor Ray,a scientist,about trees. [00:27.51]Judy:Why are you so interested in trees,Doctor Ray? [00:38.16]

发表于:2018-12-01 / 阅读(410) / 评论(0)

上海牛津初中英语八年级

托福听力短文 I-02-2

(woman) Thank you. It's great to see so many of you interested in this series on Survival in Outer Space. Please excuse the cameras - we're being videotaped for the local TV stations. Tonight I'm going to talk about the most basic aspect of survival

发表于:2018-12-05 / 阅读(74) / 评论(0)

托福听力短文

UNIT 4 Look into Science! Lesson 30: Keep the Candle Burning

[ti:UNIT 4 Look into Science! Lesson 30: Keep the Candle Burning!] [0:00.733]UNIT 4 第四单元 [0:02.636]Look into Science! 走进科学！ [0:05.638]Lesson 30: 第30课 [0:06.956]Keep the Candle Burning! 让蜡烛燃烧！ [0:09.491]THINK ABOUT IT

发表于:2018-12-13 / 阅读(132) / 评论(0)

河北教育初中英语（初中起点）八年级下册

英文书摘精选 Can Oxygen Be Toxic?氧气有毒吗?

Can Oxygen Be Toxic?氧气有毒吗？ In order for us to live we must have oxygen, so how can it be bad for us? Today we explain how oxygen can be toxic. 氧气是我们生存所必需的，所以它怎么会对我们有害呢？今天我们来解释为

发表于:2018-12-28 / 阅读(92) / 评论(0)

初学者听力文摘精选

SSS 2008-07-02

This is Scientific American's 60-second Science, I am Karen Hopkin. This'll just take a minute. Methane is a greenhouse gas that traps heat even better than carbon dioxide. It comes from a variety of sources, including fossil fuel production and even

发表于:2019-01-08 / 阅读(66) / 评论(0)

Scientific American(七)月

SSS 2010-04-09

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o

发表于:2019-01-08 / 阅读(81) / 评论(0)

Scientific American(四)月

SSS 2010-05-04

This is Scientific American's Sixty-Second Science. I'm Christopher Intagliata. Got the minute? A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm

发表于:2019-01-08 / 阅读(80) / 评论(0)

Scientific American(五)月

关于呼吸的医用术语及缩写

VT tidal volume 潮气容积 TLC total lung capacity 肺总量 VC vital capacity 肺活量 IC inspiratory capacity 深吸气量 ERC expiratory reserve capacity 补呼吸量 RV residual volume 残气容积 FRC functional residual capacity 功能残气量

发表于:2019-01-08 / 阅读(87) / 评论(0)

医学英语

河北加拿大版初中英语--UNIT 4

UNIT 4 [00:03.08]Lessons 25~32 [00:08.05]Look into Science! [00:11.89]Lesson 25: [00:16.64]Keep the Candle Burning!Science is so interesting! [00:23.72]I'm sure you'll like this experiment! [00:28.68]When you do this experiment,you will learn somethi

发表于:2019-01-09 / 阅读(256) / 评论(0)

河北加拿大版初中英语

北师大版高中英语模块7--Unit 21 warm-up

[00:02.44]Unit 21 Human Biology Warm-up [00:07.39]Exercise 2 Listen and guess which parts of [00:11.04]the body of being described. [00:13.00]Which words help you to decide. [00:16.79]1 This organ weighs about a kilo [00:19.77]and is made up of two s

发表于:2019-01-10 / 阅读(356) / 评论(0)

北师大版高中英语模块7(选修)

与美国小学生一起学英文第4册第1期:肺

Lung 肺 How many lungs do we have? 我们有多少块肺呢？ We have two lungs in our body. 我们有两块肺。 Lungs are protected by ribs. 肺由肋骨保护。 They are very big. They are about two times as large as one of our feet. 它们都很

发表于:2019-01-10 / 阅读(93) / 评论(0)

与美国小学生一起学英文第4册

北师大版高中英语模块10--Unit29(4)-1

[00:00.00]Unit 29 [00:04.58]Task:teach a practical skill to others [00:08.49]2 b)Listen and check.Were you surprised [00:12.75]by any of the instructions? [00:17.13]The most common circumstances in which you [00:19.69]might have to resuscitate someon

发表于:2019-01-10 / 阅读(202) / 评论(0)

北师大版高中英语模块10(选修)

英文歌曲：AMiR - Oxygen

Grab my hand take one step Come with me no regrets 'Coz we'll fly higher than what you can imagine When your heart is mine, anything can happen You're my baby I know you hear this song No need to worry about us You ain't doing nothing wrong Coz latel

发表于:2019-01-14 / 阅读(78) / 评论(0)

节奏布鲁斯

美国国家公共电台 NPR Coastal Pacific Oxygen Levels Now Plummet Once A Year

LULU GARCIA-NAVARRO, HOST: It's not every day that scientists announce a new season. But that's what ocean researchers just did on the west coast. They say waters off Oregon, Washington and California now have a whole season when the oxygen level on

发表于:2019-01-17 / 阅读(69) / 评论(0)

2018年NPR美国国家公共电台10月

科学美国人60秒 SSS Feed Microbes Oxygen to Help Clear Spilled Oil

On June 3rd, a train loaded with highly volatile crude oil derailed just outside the small town of Mosier in Oregons Columbia River Valley. More than 40,000 gallons of crude spilled out of the train. Some burned away in a 14-hour long fire at the sce

发表于:2019-01-17 / 阅读(94) / 评论(0)

2016年Scientific American(十)月

音乐咖啡厅:Oxygen--你是我的氧气

凭借在iTunes和MySpace的成功，来自美国加州的流行女歌手科尔比凯拉特（Colbie Caillat）的处女专辑《Coco》一经发行便得到了很多歌迷的关注。在美国上市第一周，这张《Coco》共售出5万1千张，在本周的Billboard 200专辑榜中跻身前五名. 在没有与唱片公司签订合约之前

发表于:2019-01-23 / 阅读(189) / 评论(0)

音乐咖啡厅

英语歌曲:Colbie Caillat-Oxygen

Colbie Caillat-Oxygen I came apart inside a world 我在这个由怒气冲冲的人们组成的 made of angry people 世界里支离破碎 I found a boy who had a dream 直到有一天我遇见一个寻梦的男孩 Making everyone smile 他令他身边

发表于:2019-02-02 / 阅读(63) / 评论(0)

好听的英文歌曲

物流行业术语单词（一）

物流行业术语单词（一） Gross Registered Tonnage (GRT) 注册(容积)总吨 Net Registered Tonnage (NRT) 注册(容积)净吨 Deadweight Tonnage (All Told) (DWT or D.W.A.T) 总载重吨位(量) Gross Dead Weight Tonnage 总载重吨位 Dead Weight Cargo Tonnage (DWCT) 净载

发表于:2019-02-05 / 阅读(99) / 评论(0)

英文语法词汇

VOA标准英语2009年-Breathing Pure Oxygen Effective in Tre

Oxygen therapy can bring drug-free relief to many Vidushi Sinha | Washington, DC 15 December 2009 A new study shows that breathing pure oxygen can considerably lessen the agony experienced with severe headaches Cluster headaches are described by suff

发表于:2019-02-06 / 阅读(104) / 评论(0)

VOA标准英语2009年(十二月)

好听的英文歌曲：Colbie Caillat - Oxygen

I came apart inside a world 我在这个由怒气冲冲的人们组成的 made of angry people 世界里支离破碎 I found a boy who had a dream 直到有一天我遇见一个寻梦的男孩 Making everyone smile 他令他身边的每个人都能展颜

发表于:2019-02-20 / 阅读(63) / 评论(0)

好听的英文歌曲

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Alnico aluminium-nickel-cobalt alloy

basic design criterion