单词：oxygen atmosphere
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9. air/gas/atmosphere The room was so stuffy that it felt like there was no air. Did you remember to switch off the gas? Despite the argument which took place earlier , the atmosphere was amicable.
美语烘焙屋 ABC Bakery 1-4季（PDF文本下载）
.....green plants ultimately. When it first appeared therefore, it would have been seen as a poison, it would have been a pollutant. But gradually, through Darwinian natural selection, living organism
寻访外星人
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? On June 4th we told you about iron snowflakes on Mercury. Today we have some radical news about the atmosphere of Venus. Literally, a radical is a molecule that reacts e
Scientific American(六)月
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
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In The Past, Insects Were Huge! Once upon a time, hundreds of millions of years ago, many insects were much larger than they are today. Scientists have found fossilized remains of dragonflies with wingspans several feet in diameter. Other insects wer
英语听力文摘 English Digest
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
Scientific American(五)月
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. This week, we will tell about two studies. Both involve the world's oceans. One study examined the health of coastal waters for fish an
VOA慢速英语2008年（九）月
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
2016年VOA慢速英语(八)月
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
节奏布鲁斯
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
2018年NPR美国国家公共电台10月
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
2016年Scientific American(十)月
Evidence of the first oxygen in the atmosphere. The gas was released by a humble microscopic living organism called cyanobacteria. Well it turns out cyanobacteria are the only things that can actually produce oxygen, so we know that at some point cya
探索与发现2014年
We were left with this atmosphere made of molten rock and vaporous rock. It took millions of years for that atmosphere to fall out and to be replaced by an atmosphere made up of nitrogen and carbon dioxide and water vapour. These new gases came from
探索与发现2014年
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
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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
好听的英文歌曲
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
VOA标准英语2009年(十二月)
Everybody fights every now and then, especially best friends. But you got to make up fast. 语音讲解 单词发音 got to=gotta especially adv.特别；尤其；格外 连词发音 now and then make up fast 轻读重读 重读：fights/especially/m
跟着Gwen学英语之每日早读
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
好听的英文歌曲
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
英语听力文摘 English Digest