单词：p-bromoacetanilide
单词：p-bromoacetanilide 相关文章
今天要讲的三个习惯用语都是和零碎的小东西有关。他们之间的区别只是使用的场合不同，或者是来源不一，用法相近。现在我们就分别为各位讲解这三个习惯用语。他们是：odds and ends, knic
美国习惯用语
Grammar Girl here. Today's topic is words that can get you into trouble. Guest-writer Bonnie Trenga writes: Once upon a time, some mistaken citizens stood up for American principals, p-r-i-n-c-i-p-a-l-s. Across the Atlantic, a nutty queen sat on her
英语语法 Grammar Girl
By Dan Robinson Capitol Hill 20 March 2007 Democrats in the House of Representatives face uncertainty as they proceed with plans to bring legislation to the floor later this week to fund the wars in Iraq and Afghanistan and provide billions in domes
2007年VOA标准英语（三月）
Ethiopia will accomplish the construction at any cost whether donors continue funds or not. The giant Gibe III dam, now being built on the Omo River in southwestern Ethiopia is a boon for some, a problem for others. Supporters say it will provide ele
VOA标准英语2010年(九)月
今天我们要讲的习惯用语里有一个共同的词ace。打扑克的人都知道，最大的牌就是ace。有了ace，你就胜券在握，你轻易不会出ace，而是备而不用，要把好钢用在刀刃上。这样就产生了下面我们
美国习惯用语
1) head to head / toe to toe 直面对战 2) face to face 面对面 3) see eye to eye 意见相同
OMG美语