单词:family of deformations
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Airplane manufacturers have been changing over from aluminum to advanced composite materials. These lighter, stronger composites are made of fibers of
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Albert Einstein wins again. A new study has confirmed another prediction of his theory of general relativity. The corroboration appears online in the jou
UNIT 4 Lessons 25-32 Family 第四单元 第25-32课 家庭 Lesson 25 Family 第25课 家庭 1. What are they doing? They are playing. 1.他们在做什么? 他们在玩。 How are you today? 今天你过得好吗? Fine, thanks! 很好,谢谢!
[ti:UNIT 5 Family and Home Lesson 36: What Are They Doing?] [00:01.73]UNIT 5 第五单元 [00:04.08]Family and Home 家庭和家 [00:07.17]Lesson 36: 第36课: [00:09.24]What Are They Doing? 他们在做什么? [00:12.04]1. [00:13.58]What are you
[ti:UNIT 5 Family and Home Lesson 34: Jenny's Family] [00:01.77]UNIT 5 第五单元 [00:04.10]Family and Home 家庭和家 [00:07.15]Lesson 34: 第34课: [00:09.27]Jenny's Family 詹妮的家庭 [00:12.06]1. [00:13.42]Jenny's family 詹妮的家庭
[ti:UNIT 5 Family and Home Lesson 33: Li Ming's Family] [00:01.72]UNIT 5 第五单元 [00:03.69]Lessons 33~40 第33~40课 [00:07.17]Family and Home 家庭和家 [00:10.24]Lesson 33: 第33课: [00:12.07]Li Ming's Family 李明的家庭 [00:15.05