by Jason Marshall In the last article, Is Multiplication Repeated Addition? we talked about what it really means to multiply two numbers. We found that the conventional meaning of multiplicationrepeated additionbreaks down when multiplying fractions,

发表于:2018-12-07 / 阅读(46) / 评论(0) 分类 数学英语

by Jason Marshall In the last episode, we talked about exactly what decimal points and decimal numbers are, and why they are so convenient to use. In the next few weeks were going to continue talking about decimals and their place in the world of mat

发表于:2018-12-07 / 阅读(45) / 评论(0) 分类 数学英语

甲氧苄啶类 甲氧苄啶 Trimethoprim 甲氧苄氨嘧啶, 美替普林, 磺胺增效剂, TMP,三甲氧普林 溴莫普林 Brodimoprim Clafalix, BMP, Hyprim, 溴莫卜宁 大环内酯类 红霉素

发表于:2019-01-03 / 阅读(53) / 评论(0) 分类 医务英语

By Michael Drudge London 22 February 2006 A U.N. prosecutor says accused Bosnian war-crimes suspect Ratko Mladic remains at large in Serbia. The prosecutor, Carla del Ponte, spoke with reporters at Th

发表于:2019-01-13 / 阅读(112) / 评论(0) 分类 2006年VOA标准英语(二月)

As pro-democracy movements gain momentum in the region, Yemen and Libya are cracking down on the protest movements that have been growing within their borders during the past week. Popular uprisings continue to spread through the regions of North Afr

发表于:2019-01-14 / 阅读(39) / 评论(0) 分类 VOA标准英语2011年(二月)

By Barry Wood Belgrade 04 February 2008 Incumbent president of Serbia Boris Tadic won Sunday's presidential election, defeating by a narrow margin a pro-Russian nationalist candidate. VOA's Barry Wood reports from Belgrade. Boris Tadic (l), 03 Feb 20

发表于:2019-02-06 / 阅读(63) / 评论(0) 分类 VOA常速英语2008年(二月)