标签：oxygen 相关文章

【轻松英文阅读】我们为什么会打哈欠

First, let's start by busting one myth about yawning. A lot of people have the misconception that we yawn because our brains need more oxygen. However, several studies have shown that no matter how little oxygen is around a person, they won't yawn mo

发表于:2018-12-03 / 阅读(71) / 评论(0) 分类 轻松英文阅读

SSS 2009-03-24

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Understanding all the genes and molecules involved in human disease is quite a challenge. Thats why scientists study model organisms, like flies and worm

发表于:2018-12-24 / 阅读(95) / 评论(0) 分类 Scientific American(三)月

美丽新世界Brave New World 第1章(7)

He rubbed his hands. For of course, they didn't content themselves with merely hatching out embryos: any cow could do that. 他搓搓手。因为当然，他们并没有以孵化出胚胎为满足：孵化胚胎是无论哪条母牛都能干的事。

发表于:2019-01-01 / 阅读(59) / 评论(0) 分类 美丽新世界

英语访谈对话 36 Spear Fishing

Todd: OK, Michael, you are into spear fishing! Michael: Yes, I enjoy going spear fishing Todd: OK. Can you talk about that a bit. Michael: Yeah, sure. Spear fishing basically is a sport that you dive under the wate with the aid of flippers, wet suit

发表于:2019-01-02 / 阅读(72) / 评论(0) 分类 英语访谈对话

VOA慢速英语20060830b

EXPLORATIONS - 'Houston, We've Had a Problem Here': The Survival of Apollo 13By Marilyn Rice Christiano and directed by Paul Thompson Broadcast: Wednesday, August 30, 2006 ANNOUNCER: EXPLORATIONS -- a

发表于:2019-01-02 / 阅读(52) / 评论(0) 分类 2006年慢速英语（八）月

SSS 2008-03-06

This is scientific Americans 60 Second Science. I'm Steve Mirskey. Got a minute? The lure of gold can be electric to some people even though the element is chemically inert on the large scale. But the researchers from Georgia Tech report that down at

发表于:2019-01-04 / 阅读(112) / 评论(0) 分类 Scientific American(三)月

SSS 2011-07-05

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. If youve ever wondered where the Earth came from, the answer, it seems, is blowin in the windthe solar wind. Or so say scientists who, after examining sola

发表于:2019-01-08 / 阅读(96) / 评论(0) 分类 Scientific American(七)月

SSS 2012-06-12

In the day of the dinosaur, insects had wingspans of nearly 2.5 feet. So why are today's bugs so puny? According to researchers at U.C. Santa Cruz, we may have birds and bats to thank. Their concludes appear in the Proceedings of the National Academy

发表于:2019-01-08 / 阅读(103) / 评论(0) 分类 Scientific American(六)月

与美国小学生一起学英文第4册 第9期:氧气

Oxygen 氧气 Can you touch or feel oxygen in the air? 你能触摸或感受到空气中氧气吗？ Oxygen has very unique characteristics. 氧气有非常独特的性质。 You cannot see oxygen because it doesn't have a color. 你看不到氧气，因

发表于:2019-01-10 / 阅读(48) / 评论(0) 分类 与美国小学生一起学英文第4册

新的设备能够检测出飞行员的晕厥

New Device May Help Jet Pilots 新的设备能够检测出飞行员的晕厥 While flying high above Earths surface, jet fighter pilots may suffer loss of eyesight for brief periods. Some pilots may even lose consciousness -- not being able to recogn

发表于:2019-01-12 / 阅读(58) / 评论(0) 分类 2015年VOA慢速英语(七)月

英文原版对话1000个:1036 Spear Fishing

Todd: OK, Michael, you are into spear fishing! Michael: Yes, I enjoy going spear fishing Todd: OK. Can you talk about that a bit. Michael: Yeah, sure. Spear fishing basically is a sport that you dive under the wate with the aid of flippers, wet suit

发表于:2019-01-20 / 阅读(54) / 评论(0) 分类 原版英语对话1000个

英文原版对话1000个:978 European Matters

Christophe: OK, Aiste, we're going to talk about environmental issues in Europe. So, does Lithuania have environmental issues? Aiste: Oh, actually were are facing kind of a big problem. The Baltic Sea that's beside Lithuania. You know three Baltic co

发表于:2019-01-27 / 阅读(96) / 评论(0) 分类 原版英语对话1000个

Hypoxia While Flying

26 关于飞行缺氧的原因分析 DATE=3-22-01 TITLE=SCIENCE REPORT - Hypoxia While Flying BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(68) / 评论(0) 分类 科技之光

第一位登上珠穆朗玛峰的盲人

40 第一位登上珠穆朗玛峰的盲人 DATE=6-27-01 TITLE=EXPLORATIONS #1958 - Climbing Mount Everest BYLINE=Linda Burchill and Jill Moss VOICE ONE: This is Shirley Griffith. VOICE TWO: And this i

发表于:2019-01-30 / 阅读(195) / 评论(0) 分类 自然探索

音乐咖啡厅:Bethel Music - Starlight

You're like starlight in the dark Endless miles can't conceal you And every glimmer is a spark Catching fire as you break through Oh You're not far away You're coming close And oh Even as I wait You're coming close You're like summer in the night The

发表于:2019-02-01 / 阅读(109) / 评论(0) 分类 音乐咖啡厅

奥迪用“空气和水”合成新燃料

German Car Manufacturer Audi Creates Fuel From Air And Water 奥迪用空气和水合成新燃料 Creating an alternative green or carbon neutral fuel to replace gasoline has been the holy grail for scientists for many years. However, while there has

发表于:2019-02-05 / 阅读(62) / 评论(0) 分类 阅读空间

不只救人 消防员火场氧气罩救仓鼠

U.S. firemen completed a rescue with a difference last week - by saving four trapped hamsters using tiny oxygen masks. 上周美国消防队员执行了一次与众不同的救援用氧气面罩拯救4只被困的仓鼠。 The stricken pets were caug

发表于:2019-02-07 / 阅读(65) / 评论(0) 分类 阅读空间

托福听力中的举例细节题

托福听力中细节题目庞杂，转折、对比、问答、强调、解释等等，整个听力过程中都需要高度戒备，以防掉入ETS挖的陷阱中去。本文就且集中探讨一下细节题中常见的一类：举例细节题。 首先

发表于:2019-02-13 / 阅读(59) / 评论(0) 分类 托福英语

万物简史 第424期:生命的起源(18)

Even we can tolerate it only up to a point. 连我们对氧的耐受力也是有限度的。 The oxygen level in our cells is only about a tenth the level found in the atmosphere. 我们细胞里的氧气浓度，只有大气里的大约十分之一。

发表于:2019-02-17 / 阅读(91) / 评论(0) 分类 万物简史

万物简史 第215期:把铅撵出去(4)

Buoyed by the success of leaded gasoline, Midgley now turned to another technological problem of the age. Refrigerators in the 1920s were often appallingly risky because they used dangerous gases that sometimes leaked. One leak from a refrigerator at

发表于:2019-02-17 / 阅读(57) / 评论(0) 分类 万物简史
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