音标:[prəˈpaʊndid] ;
v. 提出(问题、计划等)供考虑[讨论], 提议( propound的过去式和过去分词 )
imp. & p. p. of Propound

【近义词】

Two Commandments Are Enough By Peggy Wood Occasionally my mother used to announce that she was going to take time out from the day's activities to rest, she would say, and to invite my soul. She always put the phrase in quotes, in order, I expect, to

发表于:2018-11-30 / 阅读(148) / 评论(0) 分类 英语励志美文精华

Iranian Dissident Group Seeks to Shed Terrorist Label The Iranian opposition group Mujahedin-e Khalq is pursuing a two-part campaign to get off of the U.S. State Department's list of Foreign Terrorist Organizations. One part is a public relations eff

发表于:2019-01-13 / 阅读(124) / 评论(0) 分类 VOA标准英语2012年(五月)

Decades After An Iconic Protest, Tommie Smith Has Something Else On His Min play pause stop mute unmute max volume 00:0004:48repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update

发表于:2019-01-16 / 阅读(88) / 评论(0) 分类 2016年NPR美国国家公共电台9月

Yet almost singlehandedly, and quite brilliantly, he created the science of geology and transformed our understanding of the Earth. Hutton was born in 1726 into a prosperous Scottish family, and enjoyed the sort of material comfort that allowed him t

发表于:2019-01-29 / 阅读(68) / 评论(0) 分类 万物简史

At Principia's heart were Newton's three laws of motion (which state, very baldly, that a thing moves in the direction in which it is pushed; that it will keep moving in a straight line until some other force acts to slow or deflect it; and that ever

发表于:2019-01-29 / 阅读(79) / 评论(0) 分类 万物简史

The Big Bang theory isn't about the bang itself but about what happened after the bang. Not long after, mind you. By doing a lot of math and watching carefully what goes on in particle accelerators, scientists believe they can look back to 10-43secon

发表于:2019-01-29 / 阅读(87) / 评论(0) 分类 万物简史

Wegener developed the theory that the world's continents had once come together in a single landmass he called Pangaea, where flora and fauna had been able to mingle, before the continents had split apart and floated off to their present positions. A

发表于:2019-02-25 / 阅读(116) / 评论(0) 分类 万物简史

12 The Earth Moves 第十二章 大地在移动 In one of his last professional acts before his death in 1955, Albert Einstein wrote a short but glowing foreword to a book by a geologist named Charles Hapgood entitled Earth's Shifting Crust: A Key to

发表于:2019-02-25 / 阅读(93) / 评论(0) 分类 万物简史