Youmayhavetraveledby的精选

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  Youmayhavetraveledbyairplanebefore,butdoyouknowhowthe...

  Youmayhavetraveledbyairplanebefore,butdoyouknowhowthe...

2020-10-28
问题详情：  Youmayhavetraveledbyairplanebefore,butdoyouknowhowthesebig"birds"flyinthesky?    Thismonth,agroupofUSmiddleschoolstudentsvisitedMitchellInternationalAirport.Theygotthechancetoseehowp...