USFirstLadyMichelleObama,alongwithhermotherandtwodau...
问题详情： USFirstLadyMichelleObama,alongwithhermotherandtwodaughters,madetheirfirsttriptoChinafromMarch20-26.TheywenttoBeijing,Xi’anandChengdu.InaspeechatPekingUniversity,MrsObamaencouragedstuden...