单词:waggels
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Having a good chat Neil : This is Real English from BBC Learning English. Im Neil. Helen : And Im Helen. Neil : Today were going to look at words and phrases that have recently become part of the English language. Helen : 在我们的Real English《地道
发表于:2019-01-02 / 阅读(54) / 评论(0)
地道英语在线听
This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute~ Theyre called hydogels: Jell-O-like materials made of networks of long-chain molecules in water. And theyre as flexible as living tissue. But hydrogels could not recov
发表于:2019-01-08 / 阅读(55) / 评论(0)
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