标签：氧气 相关文章

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(120) / 评论(0) 分类 河北教育初中英语（初中起点）八年级下册

英文书摘精选 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

发表于:2018-12-28 / 阅读(44) / 评论(0) 分类 初学者听力文摘精选

英文书摘精选 What Causes A Lump In Your Throat?什么引起嗓子哽咽?

Oftentimes when we cry, we feel a lump in the throat. Does a lump actually form, or is there some other explanation? 很多时候，当我们哭泣时，我们会感到哽咽。难道是真的在喉咙中形成了块状物？或是有其它的解释？

发表于:2018-12-28 / 阅读(60) / 评论(0) 分类 初学者听力文摘精选

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(80) / 评论(0) 分类 初学者听力文摘精选

侏罗纪搏击俱乐部 第103期:侏罗纪时期氧气水平多高

Allosaurus was really the first of the truly big meat-eating dinosaurs that was found and was the one from fairly complete remains. 异特龙真的是被发现的第一种大型肉食恐龙而且其骨骼保存相当完整。 It was the Tyrannosaurus

发表于:2018-12-28 / 阅读(42) / 评论(0) 分类 侏罗纪搏击俱乐部

60秒科学:多细胞生物不需要氧气

As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new onethe discovery of the first multicellular animals that survive and reproduce entirely without ox

发表于:2019-01-02 / 阅读(95) / 评论(0) 分类 60秒科学

VOA慢速英语2018 研究显示：海洋面临严重威胁

Several Studies Show Oceans Face Serious Threats The worlds oceans are sick, and getting sicker every day. 世界海洋环境堪忧，而且日趋恶化。 Two new studies show the warming of Earths atmosphere is removing oxygen from ocean waters and

发表于:2019-01-03 / 阅读(114) / 评论(0) 分类 2018年VOA慢速英语(二)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(36) / 评论(0) 分类 与美国小学生一起学英文第4册

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(80) / 评论(0) 分类 与美国小学生一起学英文第4册

古代地球含有更多氧气，超过科学家预料

Ancient Earth Had More Oxygen than Scientists Thought 古代地球含有更多氧气，超过科学家预料 Researchers say the Earth had much more oxygen nearly a billion years ago than scientific experts thought. That claim could change theories a

发表于:2019-01-12 / 阅读(39) / 评论(0) 分类 2016年VOA慢速英语(八)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(175) / 评论(0) 分类 音乐咖啡厅

英语听力文摘 English Digest 446、有三个心脏的家伙！

You Gotta Have Hearts 你必须得有的心脏 When it comes to weird sea-creatures, octopus es are hard to beat. Theres the well-known ink-squirting defense system, the bird-like beak , and the eight tentacle s with their double rows of sucker s . W

发表于:2019-01-26 / 阅读(50) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 496、燃烧仅在地球可行

The Time Before Fire What is fire anyway? Well, fire is rapid oxidization . Its the energy released when oxygen atoms start combining with carbon and hydrogen atoms. Exactly, so without oxygen in the air, nothing burns. You mean there was a time befo

发表于:2019-01-26 / 阅读(47) / 评论(0) 分类 英语听力文摘 English Digest

运动休闲—舒缓筋骨永葆健康Do some exercise

And, says Haskell, the prospect5 of having to gasp6 and strain their way to better health at a 70-80 percent target range has kept a lot of people from trying. 哈斯卡尔说，“一想到要达到必

发表于:2019-02-01 / 阅读(108) / 评论(0) 分类 奥运英语

有助于更好睡眠的花草

Raise your hand if you take your bedtime routine seriously. You're the one whose bedside table is covered in night creams, the one who puts on fuzzy socks to ensure those eight hours of shuteye is nothing short of pure bliss. 如果你认真对待作息

发表于:2019-02-01 / 阅读(40) / 评论(0) 分类 趣味英语

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(44) / 评论(0) 分类 阅读空间

英语听书《海底两万里》第117期 第9章 尼德·兰的愤怒(2)

Although our cell was large, we obviously had used up most of the oxygen it contained. 虽然牢房还算宽大，但很明白，我们已经消耗掉了里面大部分氧气。 In essence, over an hour's time a single human being consumes all the ox

发表于:2019-02-17 / 阅读(60) / 评论(0) 分类 《海底两万里》中英双语有声读物

留美老师带你每日说英文 第782期:肺中的氧气

台湾籍旅美老师今天交给我们的句子是： If our lungs were shaped like balloons, air that was not in direct contact with the balloon's inner surface couldn't diffuse through. Luckily, our lungs' architecture ensures that very little oxy

发表于:2019-03-05 / 阅读(90) / 评论(0) 分类 留美老师带你每日说英文

留美老师带你每日说英文 第774期:如何把一个动物归类为鱼

台湾籍旅美老师今天交给我们的句子是： Let's look at the characteristics that make an animal a fish. Fish live in the water, and they can breathe underwater. They use gills, not lungs, to get oxygen from the water around them. 我们来

发表于:2019-03-05 / 阅读(86) / 评论(0) 分类 留美老师带你每日说英文

英语听力文摘 English Digest 247、呼吸甲烷

A Fresh Breath of Methane 很早很早以前地球有很微量的氧气，而且地表状况十分恶劣。大气主要是N2和Co2，后来通过复杂的变化，地球开始出现了厌氧型生物。在生命的作用下，地球的氧气开始不断

发表于:2019-03-09 / 阅读(111) / 评论(0) 分类 英语听力文摘 English Digest
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