单词：conical centrifuge tube
单词：conical centrifuge tube 相关文章
[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
外研社新标准高中英语必修（1-4）
UNshore travel agency.may I help you? Yes ,I'd like to make a plane reservation to Shanghai,China. Your name ,please? Jiaxiang.I'd like to leave on May fifth. Let me see what's available. Yes,Air China has a flight on May fifth.at nine fifteen in th
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Smartphone App Helps Snakebite Victims Scientists in Denmark have developed a venom test kit to help doctors treat victims of snake bites. The kit was created to be simple and has only two pieces of equipment: a centrifuge and a smartphone. 丹麦科学
2018年VOA慢速英语(二)月
Yvonne: This is 6 Minute English, I'm Yvonne Archer and Alice has kindly joined me for today's programme. Hello Alice. Alice: Hi Yvonne. Yvonne: Now Alice, how do you get around London? Alice: Ooh by bus, bicycle and usually the Tube. Yvonne: Aha, an
六分钟英语
London's 'Tube' Plays Crucial Olympics Role Massive overhaul Head into the Tube and you never quite know what you might find. With 12 million passengers passing through every day - and three million more expected during the Olympics - the Tube is its
VOA标准英语2012年(七月)
BBC Learning English London Life Friendliness on the tube Yvonne:I'm Yvonne Archer and this is London Life from bbclearningenglish.com. Hello! In today's programme, we're talking about friendliness on London's tubes. Is there any? As you probably kn
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