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This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? We live in a nice neighborhood. Of the galaxy, that is. The sun is about halfway toward the outer edge of the Milky Way. But the sun may have migrated vast distances t

发表于:2018-12-24 / 阅读(69) / 评论(0) 分类 Scientific American(九)月

backset, n 挫折,倒退;涡流,逆流=check 【记】backset=set back-倒退 【反】hike(n 远足,增加)

发表于:2018-12-30 / 阅读(54) / 评论(0) 分类 不择手段背单词

By Anjana Pasricha New Delhi 27 November 2006 Indian Army soldier stands next to a Prithvi missile on display during a parade, 13 Jan 2006 India has carried out a test in which it used homegrown missile technology to intercept another missile. As An

发表于:2019-01-12 / 阅读(99) / 评论(0) 分类 2006年VOA标准英语(十一月)

今天我们要学的词是 intercept. Intercept 动词,拦截。Saudi Arabia said it intercepted a ballistic missile near the kingdom's border with Yemen. 沙特阿拉伯说,沙特在与也门交界处拦截了一枚弹道导弹。Two US F-22 st

发表于:2019-01-26 / 阅读(30) / 评论(0) 分类 英语单词荟萃

德国杂志揭示了美国国家安全局黑客入侵手段 LONDON - A German magazine lifted the lid on the operations of the National Security Agency's hacking unit Sunday, reporting that American spies intercept computer deliveries, exploit hardw

发表于:2019-01-31 / 阅读(45) / 评论(0) 分类 英语新闻

WASHINGTON, July 5 (Xinhua) -- The U.S. Department of Defense on Friday announced that the nation's missile defense system failed in a latest test with a ground-based interceptor missile failing to hit an incoming ballistic missile over the Pacific.

发表于:2019-02-17 / 阅读(41) / 评论(0) 分类 英语新闻