This is Scientific Americans 60-Second Science. Im Christopher Intagliata. Got a minute? Theres one message waiting for you. Imagine that you wanna send a secret message to your colleague at the CIA. You can encrypt it to prevent counterspies from re

发表于:2019-01-08 / 阅读(68) / 评论(0) 分类 Scientific American(五)月

英语四级作文要想写得出彩,分门别类地掌握和使用句型十分重要。下面是一些常用的万能句型,希望能给各位考生提供一些帮助。 批驳 1)It is true that ..., but one vital point is being left out. 2) The

发表于:2019-02-01 / 阅读(45) / 评论(0) 分类 四六级写作指导

今天我们要学的词是unveil。 Unveil, 是揭去面纱的意思。埃及著名法老图坦卡门的面容上星期天首度公诸于众, King Tut's face was unveiled Sunday for the first time in public. 欧盟司法官员将公布一项新的反

发表于:2019-02-05 / 阅读(45) / 评论(0) 分类 英语每日一词

BEIJING, May 23 (Xinhua) -- The Ziyuan III satellite, launched on Jan. 9 to produce high-resolution imagery for civilian use, has sent back visual data covering 45.79 million square km of the globe as of May 18, according to an announcement on Wednes

发表于:2019-02-08 / 阅读(88) / 评论(0) 分类 英语新闻

Imagine that you want to send a secret message to your colleague at the CIA. You can encrypt it to prevent counterspies from reading it. But they'll still know you were sending some sort of message. There's a better optionsteganographywhich means hid

发表于:2019-02-09 / 阅读(41) / 评论(0) 分类 实用英语

今天我们要学的词是unveil。 Unveil, 是揭去面纱的意思。埃及著名法老图坦卡门的面容上星期天首度公诸于众, King Tut's face was unveiled Sunday for the first time in public. 欧盟司法官员将公布一项新的反

发表于:2019-02-18 / 阅读(33) / 评论(0) 分类 英语单词荟萃