冰刮痕

Before long, the Aldens were walking through thick rows of apple trees. The wind swirled red and yellow leaves around them. Its pretty here, Violet observed. It is, Benny agreed. But how are we ever going to hear the ghost with all this wind? Henry s

发表于:2018-12-06 / 阅读(193) / 评论(0) 分类 67 The Mystery of the Stolen S

That evening, after an early dinner, the four Alden children met in Jessie and Violets room. We just have to help Seymour and Rose solve this mystery, Violet was saying as she leaned back against two of the lacy white pillows piled on the bed. All th

发表于:2018-12-06 / 阅读(182) / 评论(0) 分类 67 The Mystery of the Stolen S

Jesse Marcel remains convinced that there was one thing in the debris that could only be extraterrestrial. He described small metal-like I-beams with hieroglyphic symbols. The metal beam like our small miniaturized I-beam, and had these perplexed vio

发表于:2018-12-30 / 阅读(316) / 评论(0) 分类 国家地理2007年

Why Do Zebras Have Stripes? For many animals, camouflage is an important part of survival. A leopards spotted coat and a polar bears white fur help them blend into their respective environments. But a zebras bold stripes cant help to disguise it in i

发表于:2018-12-31 / 阅读(155) / 评论(0) 分类 英语听力文摘 English Digest

Tunnels in Gemstone Might Be Sign of Life Life has found a way to survive in some of the most extreme conditions in existence. Now, scientists believe they might have found a new habitat for microscopic organisms inside a mineral substance called gar

发表于:2019-01-03 / 阅读(200) / 评论(0) 分类 2018年VOA慢速英语(八)月

AS IT IS 2016-10-09 Scientists Create Realistic Model of Dinosaur 科学家制作逼真的恐龙模型 British scientists have created what they believe is the best three-dimensional model of a dinosaur ever built. They say the model is almost the ex

发表于:2019-01-12 / 阅读(305) / 评论(0) 分类 2016年VOA慢速英语(十)月

By all means, move at a glacial pace, you know how that thrills me. 语音讲解: 单词发音 glacial /?ɡle??l/ pace /pe?s/ thrill /r?l/ 词间连读 by all means /ba?j??lmi?nz/ move at a /mu?v?t?/ 词汇讲解 1. by all means 一定 无论如何

发表于:2019-01-17 / 阅读(209) / 评论(0) 分类 跟着Gwen学英语之每日早读

We have increasing doubts about this evidence, but we dont feel yet that we have the scientific knowledge and basis to exclude it altogether. Jed Rakoff, United States District Judge for the Southern District of New York. He spoke about forensic evid

发表于:2019-01-20 / 阅读(182) / 评论(0) 分类 2017年Scientific American(三)月

Forensic Science: Trials with Errors法医学真的科学吗 We have increasing doubts about this evidence, but we dont feel yet that we have the scientific knowledge and basis to exclude it altogether. 虽然对这一证据的怀疑日渐加深,但我

发表于:2019-01-20 / 阅读(177) / 评论(0) 分类 2017年Scientific American(六)月

What that circulation means to us human is that water is a moving target. We constantly have to seek it out in this endless cycle and intercept it wherever and whenever we can. This quest depend on water has played a defining role in human history. T

发表于:2019-01-22 / 阅读(171) / 评论(0) 分类 自然百科2010年

What you often get with crevasses is just a thin covering of compacted snow. Uh, its called a snow bridge. And you can see there just where one has collapsed. And this is why they are so dangerous. You dont know when you are on one, and you dont know

发表于:2019-01-23 / 阅读(249) / 评论(0) 分类 探索与发现2012年

The 8,844-meter-high Mt. Qomolangma, located on the border of China and Nepal, is the world's highest mountain. 珠穆朗玛峰高8844米,位于中国和尼泊尔边境上,是世界上最高的山峰。 Glaciers on Mount Qomolangma have shrunk by

发表于:2019-02-06 / 阅读(237) / 评论(0) 分类 英语新闻

Themolecularapproachtodetecting peptidehormonesusingcDNAprobes shouldalsobemuchfasterthanthe (60)immunologicalmethodbecauseitcan takeyearsoftediouspurifications toisolatepeptidehormonesandthen developa

发表于:2019-02-06 / 阅读(220) / 评论(0) 分类 英文语法词汇

Voice 1 Thank you for joining us for todays Spotlight program. Im Joshua Leo. Voice 2 And Im Rebekah Schipper. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voi

发表于:2019-02-14 / 阅读(288) / 评论(0) 分类 环球英语 Spotlight

虽然天冷会让我们沮丧,不过要说到冷,最让人无奈的恐怕会是人们态度上的冷。说完天气的冷,今天咱们再来说说另一种冷吧。 冷漠态度在口语中如何表达 1. glacial: 冷若冰霜的;冷冰冰的;

发表于:2019-02-26 / 阅读(242) / 评论(0) 分类 英语口语