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柯灵思英语-英语听力高手36

发表于:2018-12-07 / 阅读(43) / 评论(0)

柯灵思英语

Alien Neighbors 寻访外星人 6

.....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

发表于:2018-12-07 / 阅读(40) / 评论(0)

寻访外星人

SSS 2008-06-23

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

发表于:2018-12-24 / 阅读(48) / 评论(0)

Scientific American(六)月

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(26) / 评论(0)

2016年VOA慢速英语(八)月

英语听力：探索发现科学新发现：我们的大气层-9

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

发表于:2019-01-23 / 阅读(36) / 评论(0)

探索与发现2014年

跟着Gwen学英语之每日早读第239期

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

发表于:2019-02-13 / 阅读(41) / 评论(0)

跟着Gwen学英语之每日早读

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