单词：total internal reflection light fibre
单词：total internal reflection light fibre 相关文章
[00:03.81]cover sheet :封面页 [00:05.79]face down :正面朝下 [00:07.78]fax machine :传真机 [00:09.92]incoming :a.传进来的 [00:11.70]paper jam :卡纸 [00:13.79]refill :v.再装填 [00:15.54]resolution :n.分辨率 [00:17.49]scan :v.扫描
商务英语分类核心1000词汇
Doctors use X-rays to view internal organs, obtain clear images of possible disease and to treat cancer. For years radiation has been used to save lives, but there is growing concern that some patients are getting more than they ask for when they und
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Callum: Hello Im Callum and this is 6 Minute English. With me today is Neil, hello Neil. Neil: Hi Callum Callum: In todays programme were going to be looking at an interesting story of war, secret messages, codes and Neil: And, and what? Callum: Pige
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Renee Montagne: Hundreds of thousands of Americans have back surgery every year at a much higher rate than any other country. Whether there are too many back surgeries is a hotly debated subject in orthopedist , NPR's Joanne Silberner examines the q
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Tree Hugger 是电影Juno原声带中的一首插曲。这首歌由Kimya Dawson 和 Antsy Pants 联手带来，带着轻松愉悦的气息描述了如同童话里的场景。 The flower said, I wish I was a tree, The tree said, I wish I could be A di
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