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How the T-Rex Lost Its Arms07:41

How the T-Rex Lost Its Arms

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B1
実は”役立たず”な体の部位は？進化生物学者が解説 | WIRED Japan11:00

実は”役立たず”な体の部位は？進化生物学者が解説 | WIRED Japan

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B1
Start a language from scratch (the natural way)11:59

Start a language from scratch (the natural way)

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A2
13. The Prince and the Palace: Human Made Divine on the Palatine Hill73:47

13. The Prince and the Palace: Human Made Divine on the Palatine Hill

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