标签：微尘 相关文章
The Sneaky Danger of Space Dust暗藏威胁的太空微尘 Aside from all the satellites, and the space station orbiting the Earth, there's a lot of trash circling the planet, too. Twenty-one thousand baseball-sized chunks of debris, according to NAS
2017年科学美国人(五)月
人与人之间没什么大的区别。他们皆是伟大与渺小、善良与邪恶、高贵与低贱的混合体。 On Motes and Beams It is curious that our own offenses should seem so much less heinous than the offenses of others. I suppose the r
精美英文欣赏
On Motes and BeamsIt is curious that our own offenses should seem so much less heinous than the offenses of others. I suppose the reason is that we know all the circumstances that have occasioned them and so manage to excuse in ourselves what we cann
英语美文
AS IT IS 2016-09-25 Tiny Devices for Studying the Brain From the Inside 微型仪器可从内部研究人类大脑 In the future, very small wireless devices could be placed inside human brains to study and stimulate brain cells. 在未来，非常小的
2016年VOA慢速英语(九)月
Frozen Smoke 固体烟 Male: What's as light as smoke but strong as a brick? Female: I'm gonna take a while guess and say... aerogel ? Male: Sorry,yaoyao,the answer is... Wait a second! Did you say aerogel ? How did you know? F:Yeap! Did you know tha
英语听力文摘 English Digest
迷你对话： A: The river is much higher then the ground. 河比地还高。 B: How dangerous! 多危险呀！ A: Yes, it is. 是呀，很危险。 B: What if the river overflowed its bank? 河水要是涨过了岸，怎么办？ A: That would be
迷你对话学地道口语
人与人之间没什么大的区别。他们皆是伟大与渺小、善良与邪恶、高贵与低贱的混合体。 On Motes and Beams It is curious that our own offenses should seem so much lessheinousthan the offenses of others. I suppose the rea
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