kennedy,图右)讲解土星发射系统(saturn launch system),时任美国
8. 约翰·肯尼迪(john f. kennedy)
全名:约翰·费茨杰拉德·肯尼迪,john fitzgerald kennedy),出生于
kennedy space center-约翰肯尼迪航天中心位于佛罗里达州merritt
美国前总统约翰61肯尼迪(john f. kennedy)
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