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火箭开发

火箭开发

火箭开发

火箭开发

1

But even if it were, rocket science is being done by dedicated amateurs these days .

即使是火箭开发科学，当今也有热诚的业余爱好者参与其中了。

2

Von Braun was born in Germany and led the German army's "rocket team" which developed ballistic missiles .

冯·布劳恩出生于德国，率领火箭开发团队为德国军方开发弹道导弹。

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