标签：质量 相关文章

外贸服装口语 第12期:服装面料之情景对话

服装面料情景对话对话1S: Hello! Welcome! 您好！欢迎光临！ C: Thanks! 谢谢！ S: Do you want high class or low class? 想要高档的，还是低档的？ C: Let me have a look first. 我先看看吧。 S: What about this one? The b

发表于:2018-12-03 / 阅读(58) / 评论(0) 分类 外贸服装口语

Supermassive Black Holes 超大质量黑洞 - 15

In January 2000, John Dubinski set out to calculate the final fate of our galaxy, the Milky Way, and that of our nearest neighbor, Andromeda. The Andromeda galaxy is actually falling towards the Milky

发表于:2018-12-07 / 阅读(333) / 评论(0) 分类 超大质量黑洞

Supermassive Black Holes 超大质量黑洞 - 14

It means that Silk and Ree's theory may be right and if it is also right that supermassive black holes helped trigger star formation, then it must mean that all giant black holes and their galaxies ar

发表于:2018-12-07 / 阅读(291) / 评论(0) 分类 超大质量黑洞

Supermassive Black Holes 超大质量黑洞 - 6

When the results came down from the telescope he saw something that was completely unexpected. The picture from the active galaxy where he hoped to find a black hole was unreadable. NGC 1068 was just

发表于:2018-12-07 / 阅读(322) / 评论(0) 分类 超大质量黑洞

Supermassive Black Holes 超大质量黑洞 - 1

In March 2000, two astronomers made an extraordinary discovery, one that is set to overturn our understanding of how the universe formed. We're never going to see a time like this in astronomy again.

发表于:2018-12-07 / 阅读(375) / 评论(0) 分类 超大质量黑洞

Supermassive Black Holes 超大质量黑洞 - 2

But we are just one in 125 billion galaxies of different shapes and sizes spinning through space. Yet scientists haven't been able to explain how a single one of these galaxies was created. Galaxy for

发表于:2018-12-07 / 阅读(344) / 评论(0) 分类 超大质量黑洞

Supermassive Black Holes 超大质量黑洞 - 3

A supermassive black hole is quite simply gravity gone mad. An object of such concentrated matter its gravitational pull is insatiable. Nothing can escape it, not even light itself. Anything that gets

发表于:2018-12-07 / 阅读(350) / 评论(0) 分类 超大质量黑洞

Supermassive Black Holes 超大质量黑洞 - 4

This ferocious heart of brilliant hot gas is called a quasar. Scientists thought this whirling mass might be caused by a giant black hole sucking up gas and stars, literally feeding on the center of a

发表于:2018-12-07 / 阅读(295) / 评论(0) 分类 超大质量黑洞

Supermassive Black Holes 超大质量黑洞 - 7

When it's feeding, a giant black hole creates a bright burning gas disk around it and then for some reason, it stops feeding, leaving a dark, deadly core lurking menacingly in the center of the galaxy

发表于:2018-12-07 / 阅读(304) / 评论(0) 分类 超大质量黑洞

最In导购口语 第21期:这个价,值!

导购口语: As far as the quality is concerned, it is worth the price. 就质量而言，这个价钱是值得的。 Considering the quality, it is worth the price. 就质量而言，这个价钱是值得的。 You can't be wrong on that price. 这个

发表于:2018-12-25 / 阅读(45) / 评论(0) 分类 最In导购口语

英文书摘精选 地球的引力改变过吗?

Has Earths Gravitational Pull Been Changing? 地球的引力改变过吗？ Don, why are you slouching? Dont you know its bad for you? 唐，为啥你无精打采？你不知道这对你不好？ Did you know that about 200 tons of debris strike the

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

全网最酷美语怎么说:第26期 这件衣服太坑了

Nick: Hi everybody, this is Nick. Welcome to teaching series how do you say this in American English.大家好，我是Nick. Brad:大家好，我是Brad. Nick: 今天呢，我们来学一个词，就做坑。这个可以作为一个名词，但是我们

发表于:2018-12-28 / 阅读(69) / 评论(0) 分类 全网最酷美语怎么说

Supermassive Black Holes 超大质量黑洞 - 12

This correlation is the most important thing we've learned about supermassive black hole so far. Astronomers are always looking for correlations. Whenever you find one that's really tight like this on

发表于:2019-01-02 / 阅读(383) / 评论(0) 分类 超大质量黑洞

Supermassive Black Holes 超大质量黑洞 - 13

Silk realized that the energy from this newly formed quasar would create intense temperature changes in the surrounding gas. This would cause the gas around the black hole and its newly formed quasar

发表于:2019-01-02 / 阅读(350) / 评论(0) 分类 超大质量黑洞

<词海拾贝>Fair To Middling：马马虎虎，还过得去

如果被人问起英文程度，我们中国人不论水平高低，总喜欢说一句just so so，其实英文里还有一个词组fair to middling，也可以表示“马马虎虎，还过得去”。

发表于:2019-01-09 / 阅读(88) / 评论(0) 分类 英文语法词汇

万物简史 第77期:事物的测定(25)

When assembled, Michell's apparatus looked like nothing so much as an eighteenth-century version of a Nautilus weight-training machine. It incorporated weights, counterweights, pendulums, shafts, and torsion wires. 装配完毕以后，米歇尔的仪器

发表于:2019-01-29 / 阅读(55) / 评论(0) 分类 万物简史

常用商务英语电话口语句型系列之二

26 I\ve been looking forward to visiting your factory. 我一直都盼望着参观贵厂。 27 You\ll know our products better after this visit. 参观后您会对我们的产品有更深的了解。 28 Maybe we could start with the Designing Departm

发表于:2019-02-15 / 阅读(62) / 评论(0) 分类 天天商务口语

万物简史 第169期:爱因斯坦的宇宙(12)

His famous equation, E =mc 2 , did not appear with the paper, but came in a brief supplement that followed a few months later. As you will recall from school days, E in the equation stands for energy, m for mass, and c 2 for the speed of light square

发表于:2019-02-17 / 阅读(67) / 评论(0) 分类 万物简史

VOA常速英语2019--菠萝叶可制成靓丽服装 质量不输皮革

A Spanish entrepreneur spent over eight years developing a new textile she calls Pinatex. Pinatex is a new textile material made from pineapple leaf fibers, which is the waste of the pineapple harvest. Carmen Hijosa, who founded the company Ananas An

发表于:2019-02-18 / 阅读(122) / 评论(0) 分类 VOA标准英语2019年(一月)

美国文化脱口秀 第394期:英语social如何聊出质量?

和外国人聊三句就没话题？谈资老套、聊不出质量？听Jenny和Spencer分享英语聊天实用建议；学自然、有质量的英语交流方法！ 关键词： Run out of topics? 没话题、很尴尬？ Do you run out of things to

发表于:2019-03-04 / 阅读(110) / 评论(0) 分类 美国文化脱口秀
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