This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Future cosmologists will get the universe all wrong, said Arizona States Lawrence Krauss at the AAAS Meeting on February 16th: All of the pillars of the big bang will

发表于:2018-12-24 / 阅读(31) / 评论(0) 分类 Scientific American(二)月

1. perforate /ˈpɜ:fəˌreɪt/ -- (literally, bore through) make a hole or holes through; pierce; puncture The physician said the tack had gone through Betty's shoe and sock without perforating her skin. 医生说大头针穿过了贝蒂的鞋袜,但

发表于:2018-12-30 / 阅读(25) / 评论(0) 分类 突破英文词汇

英语四级同形异义词辨析06 1. The work was almost complete when we received orders to no further with it. (2003.06) A) progress B) proceed C) march D) promote 2. It was the first time that such a had to be taken at a British nuclear power st

发表于:2019-01-03 / 阅读(68) / 评论(0) 分类 四六级词汇与结构练习

Should widespread advertising be strictly limited in modern society? Some people claim that widespread advertising in the modern society has a harmful effect on young people. Therefore, advertisements should be strictly limited on TV, radio, the inte

发表于:2019-01-17 / 阅读(92) / 评论(0) 分类 雅思英语

What Michelson and Morley did, without actually intending to, was undermine a longstanding belief in something called the luminiferous ether, 迈克尔逊和莫雷所做的实际上是在无意之中所做的破坏了长期以来人们对一种所谓光

发表于:2019-01-29 / 阅读(40) / 评论(0) 分类 万物简史

A British parliament committee said Tuesday newspaper and television magnate Rupert Murdoch is not a fit person to head a media company, part of an unexpectedly strong rebuke to one of the world's most powerful media moguls. The multy-party committee

发表于:2019-02-05 / 阅读(55) / 评论(0) 分类 英语新闻