单词：buffing of sinter metals
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[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
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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
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THIS IS AMERICA - Athletes Battle Extreme Conditions in Arrowhead 135 BARBARA KLEIN: Welcome to THIS IS AMERICA in VOA Special English. I'm Barbara Klein. STEVE EMBER: And I'm Steve Ember. This week on our program, we tell you about an extreme winter
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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,
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Harrowing Minnesota Race Tests Endurance Last year, overnight temperatures plummeted to minus 31 degress Celsius. The year before, minus 37. That year, cyclist Jason Buffington saw one of his friends - a fellow racer - who'd stopped. I came up on Cha
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