巴比特合金;[材] 巴氏合金

[00:01.00]Module 2 Developing and Developed Countries [00:09.22]Vocabulary and Listening [00:11.93]Activity 3 Check the meaning of these words [00:16.06]Now listen to the conversation and tick the topics you hear. [02:34.36]Activity 4 Listen again ch

发表于:2018-12-04 / 阅读(167) / 评论(0) 分类 外研社新标准高中英语必修(1-4)

Exhibit Highlights Butterfly's Beauty, Diversity, Value to Ecosystem Flying Canvases They are gentle, colorful creatures that move with grace and flair. And in a warm and humid enclosure at the Smithsonians National Museum of Natural History in Washi

发表于:2018-12-08 / 阅读(56) / 评论(0) 分类 VOA标准英语2013年(三月)

Today the House will vote on the largest non-defense spending cut in our nations history $315 billion dollars over the next 10 years. These are real cuts, and a signal to job creators that were serious about stopping Washingtons spending binge. Liste

发表于:2018-12-20 / 阅读(58) / 评论(0) 分类 CNN2011年(四)月

第一句: We have been importing and exporting all kinds of metals and minerals for thirty years. 我们经营各种金属和矿石的进出口业务已经有30年了。 A: We have been importing and exporting all kinds of metals and minerals for

发表于:2018-12-26 / 阅读(37) / 评论(0) 分类 天天商务口语

Children's Book Author Natalie Babbitt Dies At 84 play pause stop mute unmute max volume 00:0002:24repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. ARI SH

发表于:2019-01-16 / 阅读(23) / 评论(0) 分类 2016年NPR美国国家公共电台11月

Finance and Economics;The London Metal Exchange;Metal cashing;Who wants to buy the LME? 财经;伦敦金属交易所;金属兑现;谁会买下LME? The sight of a pack of adults shouting at each other is rarely edifying. Unless, that is,

发表于:2019-01-27 / 阅读(37) / 评论(0) 分类 经济学人财经系列
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