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说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 arm [ B:m ] He received a call to arms
每日攻克5词
说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 measure [ 5meVE ] Please measure me fo
每日攻克5词
By Dan Robinson Capitol Hill 14 November 2007 On Capitol Hill, another fierce debate is underway about the war in Iraq, as the Democratic-controlled House of Representatives considers a measure to provide $50 billion in short-term funding for U.S. mi
VOA常速英语2007年（十一月）
By Dan Robinson Capitol Hill 14 March 2008 The U.S. House of Representatives has approved a Democrat-crafted foreign intelligence surveillance law that contains provisions strongly opposed by President Bush. VOA's Dan Robinson reports from Capitol Hi
VOA标准英语2008年（三月）
Parallax is a phenomenon by which we can judge the distance to things just by looking at them. Astronomers use parallax to calculate the distance to stars. Do you need a gigantic computer-based observatory to use it? Not at all. Your finger will do n
英语时差8，16
Parallax 视差就是从有一定距离的两个点上观察同一个目标所产生的方向差异。从目标看两个点之间的夹角，叫做这两个点的视差，两点之间的距离称作基线。只要知道视差角度和基线长度，就
英语听力文摘 English Digest