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Dialogue 8 WHERE ARE WE? Laurance-Where on earth are we? Soony- Judging by all the traffic, I'd say we're near the heart of the downtown area. Laurance-What did I do wrong? Did I take a wrong turn? So
[00:00.79]Unit 2 Life in the Future [00:03.82]Lesson 7 [00:08.71]Exercise 1.2 [00:11.67]Jules Verne (1828-1905) [00:16.82]Science fiction is a popular type of writing, [00:20.28]and many people think of Jules Verne [00:22.84]as the father of science
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Dialogue 8 Laurance-Where on earth are we? Soony- Judging by all the traffic, I'd say we're near the heart of the downtown area. Laurance-What did I do wrong? Did I take a wrong turn? Soony- I'm not s
Dialogue 8 WHERE ARE WE? Laurance-Where on earth are we? Soony- Judging by all the traffic, I'd say we're near the heart of the downtown area. Laurance-What did I do wrong? Did I take a wrong turn? So
Galactic Rotation 银河系自转 Astronomers calculate there is ten times more matter in our Milky Way galaxy than we can actually see. Discover how the orbital motions of stars in the galaxy reveal dark matter -- on today's Earth and Sky. JB: I'm Joel