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B1 Intermediate
Chinese
27:49
Educational
他是馬斯克的前世靈魂？1924年，就寫出了回收火箭的方案？畢生致力於送人類進入太空？就連阿波羅登月，都採用了它的『蝸牛線路』？可他卻在110年前，全憑大腦完成了這一切……|自說自話的總裁
Learning Stats
B1
CEFR Level
5/10
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