LOSANGELES,June15(Xinhua)--WhileChina'sfirstspaceteache...
問題詳情：LOSANGELES,June15(Xinhua)--WhileChina'sfirstspaceteacherWangYapingisorbitingtheearth,BarbaraMorgan,theworld'sfirstastronautwhoevertaughtinspace,wassigninghernameonalettertogreettheChinesenew...