单词：vacuum operated secondary
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Lesson 9 Dialog1: fill an order(完成定单) F: So Dement, Style plus has a well-defined(明确) market niche. M: Yes,and their market is growing. F:and you said they can not keep up with the demand. M: Thats right, they are getting more orders than they
VOA 商务英语
This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one
Scientific American(五)月
unit 573 探望朋友 dialogue 英语情景对话 A:I am sorry to hear that you are not feeling well. How are you? A:听说你病了，我很担心。你怎么样了？ B:Thank you. I was operated on for gastric ulcer. B:谢谢。我患胃溃疡动了手
高频英语口语对话
妈妈出差期间爸爸和丹尼尔的衣服只能自己洗，但偏偏在这个时候洗衣机坏了。幸好楼下有投币洗衣机，但好事多磨，他们又碰到什么问题了呢？ Listen Read Learn Daniel: Dad, something wrong with our w
英语大赢家下册
They published the data, 他们发布了这些数据， and it actually transformed clinical practice in the country. 而这一举动改变了整个国家的临床实践。 Everybody saw this makes a lot of sense. 大家都发现这样做很有意义。
TED演讲娱乐篇
JAKARTA, Aug. 16 (Xinhua) -- Indonesian transport ministry said on Sunday that local resident have reported that they have seen the missing plane hit a mountain. According to the (local) community, the plane hit Mount Tangok in Pengunungan Bintang di
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